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Home > Products > Power Station Valve > NKZ41H, NKZ941H vacuum seal structure gate value Applicable medium Water, Steam, Air

NKZ41H, NKZ941H vacuum seal structure gate value Applicable medium Water, Steam, Air

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Negotiable / Set

1 Set(Min.Order)

Payment TermsT/T L/C D/P D/A
Delivery Detail7 days

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Product Details

Brand Name	OEM		Place of Origin	China
Model Number	NKZ41H

Product Description

Delivery Time:Within 15days

NKZ44 NKZ41Y-I NKZ944-I NKZ41H, NKZ941H vacuum seal structure gate value Applicable medium Water, Steam, Air

1, the design of the vacuum seal structure packing room, the system is isolated from the atmosphere, with good environmental performance.
?2, selected materials, break all international standards, the overall high quality materials.
?3, sealing pair advanced and reasonable, to improve the sealing performance and long life.
?4, the opening and closing parts are parallel to the gate-way flexible seal, friction is small, open and close easily, easy maintenance, reliable sealing, excellent performance.
?5, stem quenched and the nitrogen treatment, with good corrosion resistance, resistance to abrasion and wear resistance.
?6, flange gaskets made of composite materials, expansion coefficient, airtight performance, ensure

Test?pressure

PN/MPa Nominal pressure	MPa?Seal?test
Shell?strength	Back?seal?test	Seat?test
1.0	1.5	1.1	1.1
1.6	2.4	1.8	1.8
2.5	3.8	2.8	2.8
4.0	6.O	4.4	4.4
6.4	8.6	7.O	7.0
1O.O	15.O	11.O	11.O

operating?range

Product?type	Applicable?medium	℃?Applicable?temperature
NKZ41H NKZ44H NKZ944H-C NKZ941H	Water, Steam, Air	≤425
NKZ41H(Y) NKZ44H(Y)-I NKZ944H(Y)-I NKZ941H(Y)	Water, Steam, Air	≤550

Main?spare?material

Part?name	Body?Bonnet	Stem	Wedge?gate	Sealing?face	Yokenut	Parking	Fastener
NKZ44H NKZ41H-C NKZ944H-C NKZ941H	WCB	2Crl3	25	H:alloy?steel	Albronze	Expanding comDound graphite	High-grade carbon?steel
NKZ44 NKZ41Y-I NKZ944-I NKZ941	Cr.Mo?steel	20CrlMo1VA 38CrMoAlA	Cr.Mo?steel	? Y:carbide?alloy	Cr.Mo?steel

Main?size?and?weight

DN/mm
Nominal
diameter?

PN/MPa
Nominal
pressure

Main?extemal?and?connecting?dimensions?/mm

Valve
weight/kg

Additional?flange’s
dimensions/mm

Contact Us

Hontai Machinery and equipment (HK) Co. ltd: Contact nameBiona
Chat Now; Phone86-755-83014873; Address27P,Block B,Duhui 100 ,Zhonghang Road, Futian District, Binzhou, Shandong