For Water Control Valve, Please browse our Water Valve Website  www.zecovalve.com

Application

Product Scope: NPS 2” ~ NPS20” , 10bar ~ 25bar

Features:

Sensitive and Accurate Pressure Control

Easy Adjustment and Maintenance

Tamper Resistant

Fully Supported Frictionless Diaphragm

Meets National Lead Reduction Mandate

Fire Protection System

Face to Face Dimensions:AMSE B16.10

Flange End Dimension :AMSE B16.10

Coating: Fusion Bonded Epoxy Coating

Inspection and Test：API 598 / ISO 5208 / EN 12226-2

Part	Material	EN Spec.
Body	Ductile Iron	EN-JS1050
Bonnet	Ductile Iron	EN-JS1050
Trim	Stainless Steel 420 Stainless Steel 431	BS970 420S37 BS970 431S29
Seat	Stainless Steel 420 Stainless Steel 431	BS970 420S37 BS970 431S29
Diaphragm	EPDM / NBR	Commercial
For materials options not listed,consult factory. ZhengFeng manufactures valves in more than 50 different alloys.

 

NPS	In	2	2 1/2	3	4	5	6	8	10	12	14	16	18	20
L	mm	205	216	260	320	362	415	500	605	725	787	787	864	914
D	mm	165	185	200	220	250	285	340	400	455	520	580	640	715
K	mm	125	145	160	180	210	240	295	355	410	470	525	585	650
d	mm	99	118	132	156	184	211	266	319	370	429	480	503	548
C	mm	19	19	19	19	19	19	20	22	24.5	26.5	28	30	31.5
n-φ	mm	4-19	4-19	8-19	8-19	8-19	8-23	12-23	12-28	12-28	16-28	16-31	20-31	20-34
H	mm	230	240	260	280	300	380	390	450	460	490	520	600	680