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Plastic Socket Type Diaphragm Valve


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Diaphragm Valve Flow Characteristics

Main parts material

name (of a thing)	material (that sth is made of)
Valve body, valve cover	PPH,RPP,PE,PVDF,CPVC,UPVC,ABS
limit position	polycarbonate
handwheels	ABS
Valve stem nut	foundry iron
tappet	Stainless steel, steel
valve	foundry iron
shims	caoutchoucEPDM
diaphragm sheet	FEP(F46
valve body	PVDF,CPVC,UPVC

Main connection dimensions and weight

German DIN
Nominal diameter			Size (mm)								work pressure MPa	weights(Kg)
d	DN	NPS	L	D₂	H	H₁	Hz	L2	M	Lift-Hx	work pressure MPa	PPH RPP PE	PVDF	PVC CPVC
20	15	1/2	135	80	90	14	12	25	M6	7	1.0	0.27	0.43	0.35
25	20	3/4	145	80	101	18	12	25	M6	10	1.0	0.37	0.59	0.48
32	25	1	160	94	117	22	12	25	M6	12	1.0	0.68	1.10	0.89
40	32	11/4	180	117	127	26	15	45	M8	16	1.0	0.80	1.26	1.01
50	40	11/2	210	117	139	32	15	45	M8	19	1.0	1.17	1.84	1.48
63	50	2	250	152	172	39	15	45	M8	27	1.0	2.10	3.34	2.67

Note: 1) This product can be manufactured according to user requirements, in line with DIN (German standard), ANSI (American standard), JIS (Japanese standard) and other standards for delivery.

2) Selected according to the specific medium temperature, pressure, according to the product performance instructions for reasonable selection.

3)Working temperature:PVDF:-50~+150°C;PPH,RPP:-20~+120°C;PE:-20~+80°C;CPVC:0~+90C;UPVC:0~+60°℃.

4) Driving mode: manual, pneumatic, electric.