Stewart & Longbottom 50mm Hollow Plug Cock Valve
The Stewart and Longbottom 50mm Hollow Plug Cock Valve is a heavy-duty bronze marine valve engineered for reliable sea and bilge suction, overboard discharge, and firehose applications. Built to withstand the rigours of continuous marine use, this versatile valve also performs as a seacock, making it an essential component for boat builders, marine engineers, and vessel maintenance teams.
Key Features:
- Multi-purpose functionality – suitable for sea and bilge suction, overboard/firehose discharge, and seacock applications
- Premium bronze construction – body, tapered plug, and top all cast from marine-grade LG2 bronze for superior corrosion resistance in saltwater environments
- Stainless steel hardware – 316 SS top studs and handle clamp bolt/nut/washer assembly for long-term durability in harsh marine conditions
- Reliable sealing – nitrile rubber O-ring ensures a watertight, leak-free seal
- Durable handle – painted aluminium handle for easy, corrosion-resistant operation
- Flexible nut options – available with Alloy 385 brass or 316 stainless steel nuts
Specifications:
| Spec | Detail |
|---|---|
| Valve type | 50mm Hollow Plug Cock Valve |
| Flange | Hole PCD to suit 50mm T.E. flange |
| Weight | 14kg |
| Dimensions | 175mm x 245mm |
| Body | Cast LG2 bronze, flanged |
| Tapered plug | Cast LG2 bronze |
| Top | Cast LG2 bronze |
| Top studs | 316 stainless steel |
| Nuts | Alloy 385 brass or 316 stainless steel |
| Handle | Aluminium, painted |
| Handle clamp | Bolt, nut, washer – 316 stainless steel |
| O-ring | Nitrile rubber |
Why Choose This Marine Valve?
Whether you’re fitting out a new vessel or replacing an ageing seacock, the Stewart and Longbottom 50mm Hollow Plug Cock Valve delivers the strength and reliability marine environments demand. Its all-bronze construction and stainless steel fittings ensure resistance to corrosion, while the tapered plug design provides smooth, dependable operation season after season.
Ideal for: boat builders, marine surveyors, vessel maintenance and refit specialists, commercial and recreational marine applications.
Need a smaller size? This valve is also available in a 40mm Hollow Plug Cock Valve for applications requiring a reduced flange size
Contact us today to check current stock availability and place your order.
Reviews
There are no reviews yet.