Single Disc Spring Loaded Check Valve (Long Type)

• Media: Oil Water Gas
• Temperature: Ordinary Temperature
• Material: Cast Steel
• Connection Form: Wafer
• Structure: Tilting
• Pressure: Ordinary Pressure
• Model NO.: H71W
• Function: Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence
• Sealing Form: Gland Packings Globe Valve
• Flow Direction: Unidirection
• Standard: ANSI
• Application: Industrial Usage, Water Industrial Usage
• Size: 1/2" to 8"
• Class: 150lb to 800lb
• Certificates: API 6D, CE, ISO9001
• Delivery Detail: 20~45 Days According to The Specific Quantities
• Transport Package: Standard Export Wooden Case
• Specification: API598, API6d, ANSI, Bs, DIN, JIS
• Trademark: NAIBANG
• Origin: China
• HS Code: 8481300000
• Production Capacity: 8000PCS/Year

Product Description

Single Disc Spring Loaded Check Valve(Long Type)



To API594
Face to face per ANSI B 16.10
Flange ends dimension ANSI B 16.5/ANSI B 16.47
Final inspection tests to API598.


Materials:
WCB, WCC, WC6, WC9, C5, C12, CF8, CF8M, CF3, CF3M,F316,F304,F316L,F304L CN7M, LCB, LCC, DUPLEX SS, MONEL, ALLOY 20, B148 bronze, Al-bronze, C95400, C95800 etc.
 

Structural Feature:
1. Small size, Light weight, Compact structure, Easy maintenance.
2. Smooth running without vibration and noise.
3. Perfect sealing; No Leaking.
4.  Outstanding open and close capacity. Opening pressure≤0.08Mpa; Quick open and adjustable close speed. Closing movement includes two steps, first rapid closing step, and second slow closing step. The second slow closing speed is adjustable according to the specific condition.
 

Corrosion protection:
Inside and outside epoxy coating
Applicable temperature: -196-540 different raw material for different work temperature
Applicable medium: Water, oil, gas and other causticity medium (different raw material for different medium)


About this product:
H71H/H71W/H71X-10-40C/P/R.

Product:




 

Specifications
Applicable Standards
Design	ASME B16.34, API6D
Fire safe	API 607
Anti static	API 608, API6D
Face to face	ASME B16.10, API6D
Welding ends	ASME B16.25
Inspection and test	API 598, API 6D