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Description & Features

The weir type diaphragm valve has its two ports in line with each other on the opposite sides of the valve, whereas the weir type has the in/out ports located at a 90 degree angle from one another. The weir type is the most common in process applications and more commonly used as a tank bottom valve.

● It can sustain any corrosive medium in addition to the molten alkali metals and fluorine elements. It is ideal products used in chlor-alkali, industrial in organic chemicals, metal and mining, nitrogen and phosphatic fertilizers, petroleum refining, pharmaceutical etc.

● It is not applicable for diaphragm used in medium with hard particles, which will cause diaphragm damage and leakage.

● The working temperature cannot exceed the specified range.

● Open the diaphragm too frequent will influence the sealing performance.

Specifications

Size Range	Body Material
1/2"-16" DN15-DN400	Cast Iron, WCB, CF8, CF8M
1/2"-16" DN15-DN400	Cast Iron, WCB, CF8, CF8M
Pressure Rating	Disc Material
Class150 PN10-PN16	Cast Iron, WCB, SS304, SS316
Class150 PN10-PN16	Cast Iron, WCB, SS304, SS316
End Connection	Diaphragm Material
Flange (FF, RF), BSPT, NPT	NR, PTFE, FEP, PFA
Structure Style	Lined Material
Weir pattern	NR, PTFE, FEP, PFA
Actuator Options	Design Standard
Manual, Pneumatic, Electric	GB 12239, BS5156
Temperature Range	Face to Face Standard
-20℃~180℃	JB 1688, GB/T 12221, BS 5156
Connection Standard	Test Standard
Flange Drilling: GB4216, JB78, BS 4504, ANSI B 16.5	API 598, JB/T 9092, GB/T 13927

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

Our Flange Handwheel Carbon Steel Weir Type Diaphragm Valve has obtained quality certification and are in line with the standards, and our company has cooperated with many famous enterprises and become one of their excellent suppliers. We regard 'innovation' as the life of the enterprise. Over the years, we have always regarded 'technological innovation' and 'customer satisfaction' as the basis of the company's foothold in the market, keeping pace with the times and pursuing unremittingly. We try to create the best quality products with the spirit of excellence and innovation and the tenet of quality first and customer first.

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