Section No. 4.2
Series
1392V
W1392V Vapor Relief Valve Application This WellMark Relief Valve is for the control of vapor emissions. It can be used on glycol dehydrator reboilers to meet EPA standards, or any situation where pressure in ounces is to be controlled.
Features • All Stainless Steel Internals • Viton® Seals • Field Adjustable • Plated/Coated Externals
Specifications Dimensional Data 1
2
3
5
4
2" NPT
6 8 5/8 Approx.
Process Connection . . . . . . . . . . . . . . . . . . . . . . . 2" x 2" NPT Gauge Connection . . . . . . . . . . . . . . . . . . . . . . . . . . 1/4" NPT Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400˚F Pressure Setting . . . . . . . . . . . . . . . . . . . . . . . . . 3 oz. to 4 lb. Orifice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 5/8" Diameter Spring Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 to 12 oz. 3/4 to 4 lb. Non-Code
7 8 9 4 7/8
12
Determining the Model Number
11 10 13
Example given: Standard Model W1392V-S Vapor Relief Valve with 3 to 12 oz. Spring Range, Set at 8 oz.
12 2" NPT
MODEL W1392V-S W1392V • Vapor Relief Valve NOTE: Specify set pressure when ordering.
Parts List Spring Range S • 3 to 12 oz. 4 • 3/4 to 4 lb.
Item 1 2 3 4 5 6 7 8 9* 10 11* 12 13 14 15 16 17 18
2 9/16
Description ADJUSTMENT SCREW, STEEL JAM NUT, STEEL SEAL WASHER, STEEL CAP, STEEL O-RING, VITON ® SPRING GUIDE, STAINLESS SPRING, 3-12 OZ., STAINLESS SPRING, 3 / 4 -4 LB., STAINLESS PLUG, STAINLESS O-RING, VITON ® SEAT, STAINLESS SEAT O-RING, VITON ® SET SCREW, STEEL BODY, DUCTILE BONNET (NOT SHOWN), PLASTIC SEAL WIRE (NOT SHOWN) NAME PLATE (NOT SHOWN) DRIVE SCREWS (NOT SHOWN) PLUG, STEEL
Qty. 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
Part No. 10173 10174 10578 20623 10381 20622 10610 10680 20620 10380 20621 10611 10485 30360 10175 10178 10076B 10075 10149
*Recommended Spare Part
The
Company, L.L.C. • Oklahoma City, Oklahoma • Tel: (405) 672-6660 • Fax: (405) 672-6661 • wellmarkco.com
©2009 The WellMark Company, L.L.C. • Litho USA • WM1392V-5/09 • All registered trademarks are the property of their respective owners.
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