Full Rubber Lined Wafer Dual Plate Butterfly Check Valve

• Media: Oil Water Gas
• Temperature: Ordinary Temperature
• Material: Cast Steel
• Connection Form: Wafer
• Structure: Swing
• Pressure: Ordinary Pressure
• Model NO.: H76
• 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: 2" to 54"
• Class: 150lb to 2500lb
• Certificates: API 6D, CE, ISO9001
• Application Fields: Light Industrial, Electric Power, Petroch
• 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

Full Rubber Lined Wafer Dual Plate Butterfly Check Valve(Soft Seat)

Wafer end swing check valve is mainly composed of three parts: body,  disc( stem),  spring. The short closing stroke of disc and the spring force improve the closing effect,  while also reduce the pressure surge  and  slamming noise.

PRODUCT DETAILS
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.

 

Main Features:

1.The short face to face dimension and compact design of this valve allow installation and service in tight spaces.

2.Spring assisted for better dynamic behavior.

3.Soft sealed for perfect tightness even at low differential pressure.

4. Available with flanges EN1092-2 pn10 or PN16. ANSI B16.1 Class 125(other types available on request).

5.Rubber lined and there is no leakage under the pressure test.

6.Long service life. Withstood the test of tens of thousands opening/closing operations.

 

Specifications:

Size: 2" to 60",DN50-DN1500
Class: 150LB to 2500LB,PN16-PN420
Type: Double plate or single plate, wafer type, lugged type, flanged type

Material: Di Ci B148 C95800, WCB, WCC, WC6, WC9, C5, C12, CF8, CF8M, CF3, CF3M, CN7M, LCB, LCC, DUPLEX SS, C95800,C95500,MONEL, ALLOY 20 etc

 

Application
Ballast and bilge system     Chemical processing
Desalination plants  Drilling rigs    
Drinking waterDry powder     
Food and beverage Gas plants
HAVC  Mining industry
Paper industry Sand handling
Seawater    
Sugar industry
Thermo technical water treatment  
Waste water

 

Standard materials of parts

Name	Material
Body	Cast Iron  Ductile Iron  Carbon Steel  Stainless Steel  AL-Bronze
Disc	Ductile Iron  Carbon Steel Stainless Steel  AL-Bronze
Pin	Stainless Steel  Monel K500
Seat	BUNA  NBR  EPDM  VITON HEPDM  Neoprene  Hypalon Natural rubber

 

WORKSHOP

 
INSPECTION

PACKING

OFFICE



FAQ: 

1. What is your MOQ?
Our MOQ is usually 1 pc.

2. What is your delievery time?
Our delievery is about 25-30days.

3. What is your payment terms?
We accept T/T, 100% L/C, or West Union and so on.

4. Could you provide free samples?
Usually, we offer free samples, customers bear freight cost. 

5. Why choose us?

Firstly, comparing with many factories, our prices are more competitive.

Secondly, We 100% test working pressure for ALL our products.

Finally, After- Services will be highly satisfied. Any problems and feedbacks will be responded efficiently.