DESIGN STANDARD
General Design
: BS 5352
Testing
: BS 6755 (Part-1)
PRODUCTS RANGE
Size
: ½” to 2” (DN15 - DN50)
Type
: Lift Check.
Rating
: Class 800 & Class 1500.
Face to Face
: AS SHOWN
Pressure & Temperature Rating
: Screwed Ends to BSP/BSPT/NPT
Flange Standard Conformity
: Socket Weld Ends to ANSI B16.11
SALIENT FEATURES
- Valves meet BS 5352 requirements.
- Piston type plug bolted cover.
- Renewable seat ring of lift check valve.
- End connection screwed end & socket weld.
- Hardened seats minimizes on line erosion & provide maximum service life.
- Variety of materials available to suit special application requirement.
| PART NO | PART NAME: | MATERIAL SPECIFICATION | |||
| 801 | Body | A 105 | F 304 | F 316 | |
| 802 | Cover | A 105 | F 304 | F 316 | |
| 803 | Piston | AISI 410 | AISI 304 | AISI 316 | |
| 804 | Seat Rings | AISI 410 | AISI 304 | AISI 316 | |
| 805 | Gasket | Asbetos Filler SS 304 Spiral Wounded | |||
| 806 | Spring | Spring Steel / SS304 | |||
| 807 | Hex Bolt | ASTM A 193 Gr. B7 | |||
DIMENSION TABLE 800#
| SIZE | A | C | SCREWED ENDS | SOCKET WELD ENDS | |||
| ØE | L | MAX. | MIN. | J MIN. | |||
| 15 | 85 | 55 | ½” | 13.56 | 22.22 | 21.72 | 9.65 |
| 20 | 92 | 60 | ¾” | 13.87 | 27.56 | 27.05 | 12.7 |
| 25 | 105 | 72 | 1” | 17.35 | 34.29 | 33.78 | 12.7 |
| 40 | 127 | 95 | 1.½” | 18.38 | 49.15 | 48.64 | 12.7 |
| 50 | 140 | 100 | 2” | 19.23 | 61.62 | 61.11 | 15.75 |
DIMENSION TABLE 1500#
| SIZE | A | C | SCREWED ENDS | SOCKET WELD ENDS | |||
| ØE | L | MAX. | MIN. | J MIN. | |||
| 15 | 92 | 60 | ½” | 13.56 | 22.22 | 21.72 | 9.65 |
| 20 | 105 | 72 | ¾” | 13.87 | 27.56 | 27.05 | 12.7 |
| 25 | 127 | 95 | 1” | 17.35 | 34.29 | 33.78 | 12.7 |
| 40 | 140 | 100 | 1.½” | 18.38 | 49.15 | 48.64 | 12.7 |
