SKU: FGXL

Stainless Steel Easing Gear Pressure Relief Valve

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The FGX Series of Pressure Relief Valves are a 316 Stainless Steel Easing Gear style valve with 316 Stainless Steel Entry and Internals. The Reinforced PTFE seat with 316 Stainless Steel internals gives this relief valve a wide range of applications. These valves are available as BSP threaded with outlet ports being 1" BSP threaded regardless of inlet size. The relieving pressure is easily adjustable by turning up or down the setting nut under the top cap. Easing Gear relief valves are generally preferred for applications where a manual override is required. Please note this relief valve is for general applications only and not intended for use as a Safety Relief Valve. Not recommended for use on liquid as the open top will allow media to escape when venting.

Model Inlet Size Outlet Size Temperature Range
FGXL04 1/2" BSPT 1" BSP -20°C to 180°C
FGXL05 3/4" BSPT 1" BSP -20°C to 180°C
FGXL06 1" BSPT 1" BSP -20°C to 180°C

Capacity charts for the above models can be found here for the following Applications:   Steam        Air        Water

Stainless Steel Closed Cap Pressure Relief Valve

Model Inlet Size (P1) Outlet Size (P2) Lift L1 L2 H
FGXL04 1/2" BSPT 1" BSP 0.5 41.5 65 198
FGXL05 3/4" BSPT 1" BSP 0.75 41.5 66 199
FGXL06 1" BSPT 1" BSP 0.9 41.5 71 202
FGXL07 1-1/4" BSPT 2" BSP 0.75 68 94.5 299
FGXL08 1-1/2" BSPT 2" BSP 0.98 68 97 302
FGXL09 2" BSPT 2" BSP 1.26 68 102 306

All dimensions in mm unless shown otherwise. 

Stainless Steel Closed Cap Pressure Relief Valve

Number Name Material
1 Body 316 Stainless Steel
2 Seat 316 Stainless Steel
3 Spindle 316 Stainless Steel
4 Spring Seat 316 Stainless Steel/RPTFE
5 Disc 316 Stainless Steel
6 Cap 316 Stainless Steel
7 Spring 316 Stainless Steel
8 Nut 316 Stainless Steel
9 Adjusting Screw 316 Stainless Steel

Size 1/2" to 2" BSP
Body 316 Stainless Steel
Seat 316 Stainless Steel & PTFE
Pressure Range  2 to 20 Bar
Temperature -20°C to 180°C
Feature Open Cap & Easing Gear

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