Spring Vertical Check Valve

Item No.: LK-58B
This design valve also called the one-way valve or non-return valve. It is with the body, disc, and spring main parts.
Vertical installation
Type: 2PC Design
Material: ASTM A351 CF8(304), ASTM A351 CF8M(316), 304L, 316L
Size: 1/4” to 4” (DN8 to DN100)
Disc: Precision Grinding (SS304/SS316)

Thread Type: BS21(BSPT,BSP),ANSI/ASME B1.20.1(NPT),DIN2999(R/RP),JIS B0203/2(PT) etc.

Pressure rates: 200PSI(200WOG)
Medium: Water, Oil, Gas
Application: Industrial Usage, Water Industrial Usage, Household USAGE
Technical Details
No. Parts Material
1 Body CF8/CF8M
2 Cap CF8/CF8M
3 Disc SS304/SS316
3-1 Gasket Viton
4 Gasket PTFE
5 Spring SS304/SS316
Size Φ L
1/4'' 10.5 54
3/8'' 11 54
1/2'' 13 57
3/4'' 20 64
1'' 25 75
1-1/4'' 32 82
1-1/2'' 38 93
2'' 50 100
2-1/2'' 63 120
3'' 76 140
4'' 94 158
Our Service
Buyer bear the air fee, but this fee will be reduced from order directly
Never delay delivery time
Ensure material 
After Sales
Please contact our After-sales service department in time within 30days after you received the cargo.
Tel:+86 15988775005,Working Time: 9:00 a.m.- 6:00 p.m. (Beijing time)
Please provide the copy of Sales Contract and describe the problems appeared.
Slight problem
Please send the proof to our After-Sales Department, we will reply within two days.
Serious problem
1. We will dispatch our Quality and Problems Appraisers to make a confirmation
2. Have a negotiation of the compensation and sign agreements
3. Our After-Sales Department will perform the duties as the agreements
Free replacement if there is any quality problem


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