1/2" Flanged Diaphragm Valve, UPVC/ CPVC

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$117.99

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Stock: In Stock
Model: RDDLZ-FDV-DN15
Weight: 1.00
SKU: RDDLZ-FDV-DN15

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Note: This diaphragm valve cannot be used for drinking water.

2 way flanged PVC diaphragm valve is a type of industrial valve used to control the flow of fluids in pipelines, especially when it is essential to prevent the fluid from coming into contact with the valve components.

Specification

Model	RDDLZ-FDV-DN15
Size	1/2 inch (DN15)
Structure Type	Flanged Type
Diaphragm Valve Assembly	Parts	Material
	Diaphragm	PTFE
	Film	EPDM
	Valve Body	UPVC, CPVC
	Valve Plate	UPVC, CPVC, Steel, Stainless Steel
	Cover Limit	AS
	Stud	Steel, Stainless Steel
	Retaining Nut	FRPP
	Washer	FRPP
	Wheel	Alloy Material
	Platen	Steel, Stainless Steel
	Double-Headed Stud and Nut	Steel, Stainless Steel
	Bonnet	UPVC, CPVC
	Yoke Nut	Ht300 Steel
	Stem	Steel, Stainless Steel

Dimension (Unit: mm)

Size	Valve Body Material	d	D	L	h	n-φ
1/2 inch (DN15)	UPVC	66	97	128	15	4-φ14
1/2 inch (DN15)	CPVC	66	97	128	15	4-φ14

Note: The above dimensions are for reference only, please refer to the actual product.

Detail

Working Pressure

Size	Working Pressure (MPa)
	UPVC			CPVC
	20~40℃	41~60℃	61~80℃	0~40℃	41~60℃	61~90℃
1/2" (DN15)	0.8	0.8	0.7	0.7	0.7	0.6
3/4" (DN20)	0.8	0.8	0.7	0.7	0.7	0.6
1" (DN25)	0.8	0.8	0.7	0.7	0.7	0.6
1-1/4" (DN32)	0.7	0.7	0.6	0.7	0.7	0.6
1-1/2" (DN40)	0.7	0.7	0.6	0.7	0.7	0.5
2" (DN50)	0.7	0.7	0.6	0.7	0.7	0.5
2-1/2" (DN65)	0.7	0.7	0.6	0.7	0.7	0.5
3" (DN80)	0.7	0.7	0.6	0.7	0.7	0.5
4" (DN100)	0.7	0.7	0.6	0.7	0.6	0.5
5" (DN125)	0.5	0.5	0.4	0.5	0.5	0.4
6" (DN150)	0.5	0.5	0.4	0.5	0.4	0.3
8" (DN200)	0.3	0.3	0.2	0.5	0.3	0.25
10" (DN250)	0.3	0.3	0.2	0.3	0.3	0.2

Tips: Do PVC diaphragm valves have packing?

PVC diaphragm valves typically do not have traditional packing materials like those found in globe valves or gate valves. Instead, they use a diaphragm as the primary sealing element. The diaphragm is a flexible membrane that moves up and down to control the flow of fluid through the valve. When the diaphragm is in the closed position, it seals against the valve body, preventing the flow of fluid.

The advantage of using a diaphragm in these valves is that it eliminates the need for traditional packing materials, which can wear out and require maintenance over time. Diaphragm valves are often used in applications where it's important to maintain a tight seal and prevent leakage. They are particularly suitable for handling corrosive or abrasive fluids because the diaphragm provides a barrier between the fluid and the valve components.

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