Our company represents a better level in the Twin Seal Orbit Plug Valve, Metal Seated Floating Ball Valve, Cryogenic Butterfly Valve industry in terms of production scale and technical strength. Our company takes 'smart and enterprising, pragmatic and innovative' as its corporate purpose and strictly controls management and quality with the business philosophy of 'ingenuity, perfection'. The company has professional test equipment for customers to test, and has design and research personnel to provide customers with technical services at any time. In addition, the company also has a complete marketing team and after-sales service system, enabling the company to win a good reputation in the process of continuous growth. Over the years, we have continued to innovate and surpass ourselves, always firmly believe that 'development is the last word', build brand with quality, and improve brand with service. We are striding forward to a first-class enterprise with a pioneering and innovative spirit.

Description & Features

The butterfly check valves are a compact kind of check valve. With a small face to face length and being wafer type, these dual plate check valves can be mounted directly between flanges and in accordance to many standard connections. The body is made in one piece only, in cast iron with disc in ductile iron, stainless steel or AI-Bronze and spring in stainless steel these parameters allow the dual plate check valves to be applied for several applications. The automatic mechanism of plate opening grants low water losses, and the spring avoids fluid hammer effect.

● Small in size, light in weight, compact in structure, easy in maintenance.

● Two torsion springs are used excerting on each of the pair valve plates. Which close the plates quickly and automatically.

● The quick-close action prevents the medium from flowing back and eliminates water-hammer effect.

● This valve is short in length, so that it is rigid and easy to mount.

● It is easy to install on pipeline which is laid horizontally or vertically.

● This valve is tightly sealed without leakage under the pressure water test.

● Safe and reliable in operation, high interference-resistance.

Specifications

Size Range	Body Material
2"-48" DN50-DN1200	WCB, DI, LCB, WC6, WC9, CF8, CF8M, CF3, CF3M
Pressure Rating	Disc Material
Class150 PN10-PN25	WCB, DI, LCB, CF8, CF8M, CF3, CF3M
End Connection	Seat Material
Flange	NBR, EPDM
Structure Style	Stem Material
Full Port, Butterfly Disc	2Cr13, 304, 316, 304L, 316l
Actuator Options	Design Standard
Bevel Gear, Pneumatic, Electric	API594, API 6D, ASME B16.34, DIN3356, JB/T8937
Temperature Range	Face to Face Standard
-196℃~540℃	API 594, API 6D, DIN3202, JB/T8937
Connection Standard	Test Standard
Flange Drilling: ASME B 16.5/ASME 16.47, DIN2543-2545, JB/T9112~24	API598, ISO5208, DIN3230, JB/T9092

Brand	DAGO or OEM
Test	100% quantity tested before delivery
Guarantee	12 months from date of shipment or Negotiable
MOQ	1 Set
Sample	Available
Color	Customer required or manufacturer default
Packing	Plastic bag wrapped inside, seaworthy wooden case outside
Certificate	API6D, CE, TUV, ISO9001, ISO14001, ISO45001, Mill Test Certificate
Country of Origin	Zhejiang, China
HS Code	848180 (universal), 8481804090 (China)
Port	Shanghai or Ningbo
Payment Terms	T/T, L/C, Western Union

We have been striving to bring you quality products at the competitive prices in the industry of API ANSI Stainless Steel/Cast Steel/Carbon Steel/Wcb/CF8/CF8m Alloy Steel Non-Return Swing/Wafer/Lift/Dual Check Valve for 150lb 300lb 600lb 900lb. We truly look forward to hearing your feedback. Your comments and suggestions help us to continually serve you better. Our company will carry out modern business operations with a complete quality assurance system and excellent after-sales service. Our company is committed to provide customers with comprehensive and complete technical solutions, so that customers improve production efficiency, improve product quality, and meet customer needs.

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