Quality Marine Hardware
Bronze and Staimless Steel Sea Cocks & Valves, Raw Water Strainers, Fittings and Pumps
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Groco – A cut above the rest

Founded in 1918 on the principles of innovative design and sound construction, GROCO’s goal is to be the choice of those who demand quality products a cut above the rest. Today, as GROCO’s 100th anniversary nears, GROCO continues the tradition of innovative design and unsurpassed quality. They offer you unique designs conceived and produced by GROCO, and offered by no other manufacturer in the world. As the times progress GROCO continues right along with them. From humble yet storied beginnings GROCO has looked to the future to stay on the cutting edge of product development and technology. From manual machining generations ago to the latest in CNC technology GROCO continues to develop in order to provide the market with the best products in the industry.

BV Series
IBV Series
SBV Series
FBV Series
IBVF Flange Adapter

Valves: Flanged and Inline

BV Flanged and IBV Inline Series
FEATURES: Full Flow. 1-1/4″ sizes and larger include one grease zerk fitting for lubrication (use only with the valve in the open position), and one drain plug. The zerk can also be used for draining. Patented selectable handle rotation. Handle has square hole to accept standard ratchet to help reach valves in hard-to-reach locations and ease actuation of difficult to operate valves.
Construction: C84400 bronze; Stainless steel ball and stem; PTFE seats and seals.
Serviceable while installed. Base has bonding attachment. UL Listed 647B. Made in the USA. Available in stainless steel and with locking handle.
BV: Tri-flange base and mount hole pattern provide easy retrofit when replacing most popular brands.
IBV: Inline series – Female NPT Threads.
SBV Series
A simple quarter turn quick-release plug adds safety and flexibility to any water system. GROCO patented SBV Series Seacocks allows for instant emergency bilge pumping, a simplified winterization process, and convenient cooling system flushing.
IN AN EMERGENCY: While the connected engine is running, close the seacock and remove the quick release plug. Excess bilge water will be pumped overboard by the engine raw water pump. Add GROCO BSA to pump out remote bilge locations.
FOR WINTERIZATION: Close the seacock, remove the quick release plug and insert the service adaptor (included). Anti-freeze can be pumped into the cooling system.
FOR SYSTEM FLUSHING: Close the seacock and insert the service adaptor. Dockside water can be used to flush the cooling system with the engine running at idle speed.
FEATURES: Handle has square hole that accepts standard ratchet; helps access hard-to-reach valves, or ease actuation of hard-to-operate valves.
Side port has a Quick-Release Plug for emergency bilge pumping, and a Service Adaptor for routine winterization and maintenance. Full flow. Serviceable while installed.
Construction: C84400 bronze; Stainless steel ball and stem; Base has bonding attachment; PTFE seats and seals; Two driver ports permit handle relocation; Service adaptor included.
UL Listed 647B. Made in the USA
FBV Series
1-1/4″ sizes and larger include one grease zerk fitting for lubrication (use only with the valve in the open position), and one drain plug. The zerk can also be used for draining.
Patented field reversible handle allows you to select the closed position orientation (clockwise or counter-clockwise) that best suits the installation.
Handle has square hole to accept standard ratchet, to help reach valves in hard-to-reach locations and ease actuation of difficult to operate valves.
Full Flow. Triangular base with bolt pattern to match most popular brands makes retrofit easy.
Construction: C83600 bronze; Stainless steel handle and hardware; Chrome plated solid brass ball; PTFE Seats and Seals; Bonding attachment on base. UL Listed 647-B
IBVF Flange Adaptor
Patented IBVF (bronze) and IBVF-S (#316 stainless steel) Flanged Adaptors were developed to address several common valve installation challenges. Here’s what they do:
Eliminate dangerous thread miss-match when in-line valves (tapered NPT threads) are screwed onto thru-hulls (straight NPS threads). Accept standard thru-hulls into the base and standard in-line valves on top. By spreading the load across a greater area IBVF provides a safer installation when in-line valves are used as seacocks. For OEMs, prevent valve damage during engine or generator installation – the valve can be installed later.  Simplifies future valve replacement. C83600 Bronze and #316 SS models

 

Check Valves, Fuel Valves and Three way valves:

Check Valves:
CV Series: CV Series in-line check valve may be used in water systems or fuel systems to keep pumps primed and to prevent back-flow. The unique design reduces flow turbulence and restriction, thus improving pump performance.
Construction: C83600 cast bronze; NPT threaded ports; 1/2″ – 2″ sizes; Suitable for use with diesel fuel or gasoline
PNC Series: PNC series is a simple design comprised of a bronze nipple with an internal check valve. Almost zero flow restriction is imposed, and the check requires less than 1/2 PSI to open. Colored bands indicate flow direction (green to red), confirmed by the permanent laminated tag. Do not use in diesel fuel or gasoline applications.
Construction: C83600 cast bronze; Male NPT threads; 1/2″ – 2″ sizes; Not suitable for use with diesel fuel or gasoline
Fuel Valves:
FV Series: ABYC H33.9.2 states that fuel system valves must have an independent means of support. That’s why regular in-line valves are not appropriate for fuel systems applications.
Patented selectable handle rotation. Full flow. Mount foot included.
Construction: C83600 bronze; Stainless steel handle and hardware.; 400 WOG; PTFE seats and seals. UL listed 15PR for fuel or water.
FV-450-X: FV-450-X is a 4 way, 2 tank selector valve. Also available as a kit with mounting bracket, labels, and fittings (order TS-350-T).
For fuel or water. Four Positions: Tank-1, Tank-2, Tanks 1 & 2, Off. Full 1/2” flow. Audible “click” at each handle position. For thru panel mounting.
C83600 bronze construction. Available separately or as part of TS-350-T Kit.
FV-550-L: FV-550-L is a 5 way selector valve with 1 common inlet port and 4 selectable output options. For fuel or water. Bottom port is common. Select between four outlets.
Full 1/2” flow. Audible “click” at each handle position. For thru panel mounting. C83600 bronze construction.
FV 6 Port series available
FV-590 Series: Compact design. 90° flow path. 1/2” NPT male and female ports. Use FV-590 (Brass) for fiberglass tanks. Use FV-590-S (316SS) with aluminum or stainless steel tanks.
Three Way Valves:
3-way valve operates logically – The handle points to the direction of flow. Center position is “off”. Handle rotates a full 180°. Mount foot included. Full flow.
Stainless steel handle and hardware. PTFE seats and seals. Use TWV-1500 (1-1/2″ NPT ports) for waste systems. UL listed 15PR for fuel or water.

CV Series
PNC Series
FV-450-X
FV-550-L
FV-590
970 Series
911 Series
HSEF Series

Self Cleaning Raw Water Strainers:

Self Cleaning – Hydromatic
Patented HYDROMATICTM Self-Cleaning strainers eliminate untimely and inconvenient system maintenance shut-downs by conducting a periodic 30-second self-cleaning cycle. The user selects the cleaning interval (every 5 minutes, 15 minutes, 30 minutes, or 60 minutes) at which time a powerful macerator grinds debris that has accumulated since the last cleaning and discharges it overboard. Models are offered for single “consumers” or for multiple consumers (like a seachest); Port sizes range from 1/2″ to 6″ and all AC and DC voltages are offered.
FEATURES:
30-second cleaning cycle is automatically performed at user-selected intervals. Optional interface with SSA system ( initiates cleaning cycle when flow is reduced, independent of the pre-set cleaning interval. The “Purge” option over-rides the selected interval and performs a one-time cleaning cycle. Powerful macerator grinds debris and discharges overboard below the waterline. “Ignition Protected” motors for DC models. Installation can be horizontal or vertical (flooded inlet required)
970 models function as a sea chest to provide filtered water to multiple devices.; 970 models are submersible
C84400 bronze construction; Made in the USA
970 Series Hydromatic:
As raw water strainers do their job, filter baskets become clogged with debris and flow to the connected device is reduced, resulting in the need for system shut-down for cleaning and maintenance. HYDROMATICTM strainers eliminate untimely shut-downs by conducting periodic self-cleaning cycles (the user selects the interval) with its powerful internal macerator. Debris is pumped overboard without shutting down the connected device.
970 series strainers accommodate multiple consumers with a choice of inlet sizes (1-1/2″ or 2″) and up to five 1/2″ and 3/4″ outlets.
911 Series Hydromatic
As raw water strainers do their job, filter baskets become clogged with debris and flow to the connected device is reduced, resulting in the need for system shut-down for cleaning and maintenance. HYDROMATICTM strainers eliminate untimely shut-downs and maintenance by conducting a periodic self-cleaning cycle (the user selects the interval) with its powerful internal macerator. Debris is pumped overboard without shutting down the connected device.
911-1000 povides filtered water to a single device and has 1″ NPT ports for Water In, Water Out and Debris Out.
HSE Series Hydromatic
As raw water strainers do their job, filter baskets become clogged with debris and flow to the connected device is reduced, resulting in the need for system shut-down for cleaning and maintenance. HYDROMATICTM strainers eliminate untimely shut-downs and maintenance by conducting a periodic self-cleaning cycle (the user selects the cleaning interval) with its powerful internal macerator. Debris is pumped overboard without shutting down the connected device. HSE Series Strainer provides filtered water to 4″, 5″ or 6″ devices, or may be used as a sea chest to provide filtered water to multiple smaller devices. Debris is pumped out through a 1″ NPT port.

 

Basket Raw Water Strainers:

ARG Series Raw Water Strainer
For installation on the suction side of engines and pumps, GROCO ARG Series raw water strainers are the ideal filtration solution for cooling water intakes for any marine engine, ac unit, or genset. The superior design makes them long lasting and easy to service while the variety of sizes means there is a fit for every application. ARG series strainers are designed with a durable one-piece molded sight glass to eliminate tie rods and gaskets, and construction is with bronze head castings plus the choice of flter basket materials – #304 Stainless Steel, Monel, or Non Metallic. ARG strainers are offered in 1/2″, 3/4″, 1″, 1-1/4″, 1-1/2″, 2″, 2-1/2″, and 3″ NPT pipe sizes. Options include BSPP threaded ports, ABS and USCG compliant bronze enclosures, and #316 Stainless Steel Castings.
FEATURES:
Mounting System Allows Removal Without Tools; Bonding Connection Both Sides; O-Ring Seal All Joining Surfaces; Filter Basket Options; #304 SS (Standard); Monel; Non-Metallic; One-Piece Molded Sight Glass Eliminates Tie Rods and Gaskets; Improved Drain Plug; Non-Metallic Cap Magnifies Internal Viewing; Improved Basket Design
NPT or BSPP Threaded Ports; C84400 bronze head casting; UL Listed 255-D, Made in the USA
SA Series
For installation on the suction side of engines and pumps, GROCO SA Series raw water strainers are the ideal filtration solution for cooling water intakes for any marine engine, ac unit, or genset. The design makes them long lasting and easy to service while the variety of sizes means there is a fit for every application. In production for more than 50 years SA series strainers are designed with a durable cast acrylic sight glass, bronze head castings and the choice of flter basket materials – #304 Stainless Steel, Monel, or Non Metallic. SA strainers are offered in 1/2″, 3/4″, 1″, 1-1/4″, 1-1/2″, 2″, 2-1/2″, and 3″ NPT pipe sizes.
Options include BSPP threaded ports, ABS and USCG compliant stainless steel enclosures.
FEATURES:
Standard with #304 stainless steel filter basket. (Monel is optional); Monel inside tie rod and #316 Stainless Steel outer tie rods; Easy service with spin-off-wingnut; Crystal Clear Cast Acrylic Cylinder; Fine mesh filter baskets are also available.
C84400 bronze construction; Made in the USA
SD Series – High Flow
For installation on the suction side of engines and pumps, GROCO SD Series raw water strainers are the ideal filtration solution for heavy-duty cooling water intakes for marine engine, ac unit, or genset. The design makes them long lasting and easy to service while the variety of sizes means there is a fit for larger size installations. In production for more than 50 years SD series strainers are designed with a durable cast acrylic sight glass, bronze head castings and the choice of flter basket materials – #304 Stainless Steel and Monel. SD strainers are offered in 1-1/2″, 2″, 2-1/2″, and 3″ NPT pipe sizes. Options include BSPP threaded ports, ABS and USCG compliant stainless steel enclosures.
FEATURES:
Greater filtering capacity than GROCO ARG or SA model strainers; Improved cylindrical filter basket; Improved design secures filter basket under all flow conditions; O-rings seal all mating surfaces; Monel inside tie rod; Crystal Clear cast acrylic sight glass; Easy service is provided by the spin-off wingnut. C84400 bronze construction; UL Listed 255D; Made in the USA
SE/SEF Series Large Engine Strainer
Today’s high power engines demand high flow capacity – GROCO SE/SEF Series raw water strainers are up for the job. For installation on the suction side of the plumbing system, and designed with minimal restriction and high flow output in mind, SE/SEF strainers are the ideal solution for large engine cooling needs. SE-4000 has 4″ NPT threaded ports. SEF-4000, 5000 and 6000 have ANSI pipe flange conections. The filter basket and screw-on strainer cap have replaceable zinc anodes.
FEATURES:
For high-powered engines with 4″, 5″ or 6″ intake; Crystal clear cast acrylic sight glass; Cap and basket have replaceable zinc anode protection; Low restriction for maximum cooling water flow. No inside tie rods. Cover unscrews for easy filter basket cleaning; O-rings seal all mating surfaces. All models can be converted to HYDROMATIC (self-cleaning) operation.
Improved cylindrical filter basket – #304-SS basket is standard with .077” holes (.125” and .188” hole sizes are optional). Monel basket is optional. Bronze flange adaptors are available for connecting pipe or hose to flanged strainers. C84400 bronze construction; Made in the USA
Other Strainers Available:
WSB Series: GROCO WSB Series fresh water strainers are designed to keep water pumps and systems running at their optimal performance. #304 SS and Plastic baskets available.
BVS Series Valve/Strainer Combo: GROCO BVS Series Seacock/Strainer combination is the perfect solution for those applications where space is a concern. This patented design allows for the installation of a single component instead of two, saving space and eliminating multiple plumbing connections and possible leaks.
BVS series offers the same top of the line quality seen in the BV series seacock coupled with an easy to maintain strainer, and is offered in 3/4″, 1″, 1-1/4″ and 1-1/2″ pipe sizes.
932 Series Duplex: Plumbing systems that require constant filtration but cannot be shut down for filter cleaning are the ideal candidates for a GROCO 932 Series Duplex Strainer. A centrally located valve diverts system flow to one side of the strainer while the other side is serviced. For installatiion on the suction side of the plumbing system GROCO 932 Series strainers are designed on the same base characteristics as ARG series single strainers.
Today 932 series strainers are installed in Fire Boats, Coast Guard and Navy vessels, and in homeland security vessels world-wide. Available with a bronze enclosure.
VD Series Duplex Plumbing systems that require constant filtration but cannot be shut down for filter cleaning are ideal candidates for a GROCO VD Series Duplex Strainer. A centrally located valve diverts system flow to one side of the strainer while the other side is serviced. For installation on the suction side of the plumbing system, GROCO VD Series strainers. are designed on the same base characteristics as SA series single strainer.

ARG Series
SA Series
SD Series
SEF Series
WSB Series
932 Series
VD Series

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