2" Flanged Diaphragm Valve, UPVC/ CPVC

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$209.39

Ex Tax: $209.39

Stock: In Stock
Model: RDDLZ-FDV-DN50
Weight: 1.00
SKU: RDDLZ-FDV-DN50

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

PVC diaphragm valve consists of a UPVC or CPVC body with an inlet and outlet and a diaphragm that separates these two ports. When the valve is in the closed position, the diaphragm seals against the body, preventing the flow of fluid.

Specification

Model	RDDLZ-FDV-DN50
Size	2 inch (DN50)
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
2 inch (DN50)	UPVC	127	162	214	23	4-φ18
2 inch (DN50)	CPVC	126	162	215	23	4-φ18

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: Are diaphragm valves directional?

Diaphragm valves are indeed directional in nature. They consist of a flexible diaphragm, typically made of rubber or another elastomeric material, which moves up and down to control the flow of fluids through a pipe. This diaphragm acts as a barrier between the fluid and the valve body, and its movement is regulated by a stem or a compressor.

The directionality of a diaphragm valve is determined by the design and installation. Fluid flow typically enters from one side of the valve and exits from the other. It's crucial to install diaphragm valves with the flow arrow indicating the correct direction, ensuring that the diaphragm functions effectively. If installed in reverse, the diaphragm may not seal properly, leading to leaks and reduced control over fluid flow. Proper installation with attention to the flow direction is essential to their efficient operation.

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