vrvalves.com

Lift Check Valve

Specification
Manufactured to BS-5352 Tested to API 598. Uniquely designed piston lift check valve incorporating self cushioning effect. Taper Plug type disc and shoulder seated screwed renewable seat ring for positive seating and leak tightness. Guided piston assuring accurate return to seat ring to achieve leak tightness. Streamlined flow passages designed to minimize pressure losses and erosion.

Bolted cover body and cover of forged carbon steel A 105 plug type disc 13% chrome trim class 800 PSIG at 850 F for screwed or socket weld and class 600 at 850 F for flanged design.

LIFT CHECK VALVE


MATERIAL OF CONSTRUCTION
Sr.
Part Name
Forged Steel
1.
Body
ASTM A 105
2.
Cover
ASTM A 105
3.
Disc
13% Cr. Steel
4.
Seat Ring
13% Cr. Steel
5.
Gasket
Spiral Wound
6.
Studs
ASTM A193 B8
7.
Nuts
ASTM A194 M8
Materials : Type ASTM A 182 - F 304 / ASTM A 182 - F 316


APPLICABLE STANDARDS
Mfg. Std.
BS 5352 / API 602
Testing Std.
API 598
HYDRAULIC TEST PRESSURE
Class Body Seat
800 3000 PSIG 2000 PSIG
1500 5500 PSIG 4060 PSIG


ASME 800 Class

SIZE L Ø D F Thread
600 Class L1
15 87 21.7 9.5 NPT 165
20 90 27.1 12.7 NPT 190
25 105 33.8 12.7 NPT 216
40 128 48.6 12.7 NPT 241
50 142 61.1 16 NPT 292


ASME 1500 Class

SIZE L Ø D F Thread
15 103 21.7 9.5 NPT
20 140 27.1 12.7 NPT
25 140 33.8 12.7 NPT
40 160 48.6 12.7 NPT

Contact Us

Address:
A-21/A-22, S.P.6,
Maruti Industrial Estate,
Opp Naroda Fire Station,
Naroda Road,
Ahmedabad - 382345.
Phone: (079) 22202001
Fax: (079) 22203911
E-mail: info@vrvalves.com