Solid LUG TYPE Double Plate Check Valve

Structural Feature Short structural length,only 1/4~1/8 of that of traditional flanged check valve; Low volume,light weight,only 1/4~1/20 of those of traditional flanged check valve; Quick valve disc closedown,low water hammer pressure; Applicable for and easily installed for vertical or...

Product Details


Sizes: NPS 1/2 - 48-inch

Working temperature:-196℃ - +560℃

Pressure rating: Class 150 to 2,500lbs

Connection types: lug, flange and wafer

Materials: WCB, LCB, LF2, A105, 304 (L), CF8 (M), CF3 (M), F51, special alloy steel and others

Applicable media: water, steam, oil, nitric acid, acetic acid, urea, strong oxidizing agent and others


Metal seat

Long use time

Inner spring type

Through-drilled lugs

Short stroke for disc

Small close impact force

Double spring action disc

Compact size low weight design

Solid wafer type, dual, plates


Testing standards: API 598, JB/T9092

Design standards: API 594, API 6D and JB/T 8937

Face to face standards: API594, API 6D, DIN 3202 and JB/T 8937

Connection standards: ANSI B 16.5, DIN 2543 C2548, API 605 and ASME B 16.47

Pressure-temperature class standards: ANSI B 16.34, DIN 2401, JB/T 74 and SH 3406

Equipped with a professional factory, Naibang Valve is a professional manufacturer and supplier of solid lug type double plate check valve in China. If you want to buy quality product of various beautiful bags, you can get it at a cheap price from us.