High Quality Z73h-10c DN250 Carbon Steel Knife Gate Valve for Sewage Treatment

• Media: Water
• Temperature: Ordinary Temperature
• Type: Straight-through
• Model NO.: Z73H-10C DN250
• Material: Carbon Steel
• Connection Form: Flange
• Pressure: Ordinary Pressure
• Actuator: Manual
• Seal Surface: Wedge Gate Valve
• Thread Position of Valve Rod: Outside Gate Valve
• Usage: Regulation, Safety, Emptying, Drain, Temperature Control, Flow Control
• Standard: GB
• Application: Industrial Usage, Water Industrial Usage, Household Usage
• Product Name: Gate Valve
• Keywords: Knife Gate Valve
• Hand Wheel: Qt450
• Stem Nut: Qt450/59copper
• Valve Stem: 45#2Cr13/SS304/SS316
• Packing Gland: Qt450
• Bracket Plate: Q235
• Bracket: Q235
• Bolt: 45#/304
• Packing: EPDM/NBR
• Gate Plate: Ss201/SS304/SS316/2520/2205
• Valve Seat: NBR/EPDM/Tc/PU
• Valve Body: Qt450
• Transport Package: Export Wooden Case
• Specification: Standard Specifications or Customized
• Trademark: Ginsenka
• Origin: Hainan, China
• Production Capacity: 5000000pieces/Year

Product Description

Product Description

GATE VALVE
 
The sealing principle of a gate valve operates through the precise contact between the wedge-shaped gate's dual sealing surfaces and the corresponding sealing surfaces within the valve body. When the gate moves into the closed position, these matching surfaces create a tight mechanical seal that effectively prevents fluid leakage through compression and surface conformity.

This wedge-gate sealing mechanism delivers exceptional sealing performance with consistent reliability across varying pressure conditions. The stable contact between multiple sealing surfaces ensures long-term leak-tight operation while maintaining structural integrity under high-pressure applications, making it ideal for critical shut-off services.

LOW FLOW RESISTANCE

EASY OPERATION

BIDIRECTIONAL FLOW

Streamlined design minimizes fluid resistance and pressure drop, ensuring optimal flow performance with reduced energy consumption across various pipeline applications.

Minimal torque requirements enable effortless operation while reducing component wear and extending service life for reliable long-term performance in industrial systems.

Unrestricted flow direction capability provides installation flexibility and simplifies system design without directional constraints or flow limitations in pipeline networks.

Product Parameters

TECHNICAL PARAMETERS
Product Name	Gate Valve
Keywords	Knife Gate Valve
Name	Quantity	Material
Hand Wheel	1	QT450
Lock Nut	1	45#
Stem Nut	1	QT450/59Copper
Valve Stem	1	45#2Cr13/SS304/SS316
Packing Gland	1	QT450
Nut	4~8	45#/304
Stud Bolt	4~8	45#/304
Bracket Plate	1	Q235
Bracket	1	Q235
Bolt	4~8	45#/304
Packing	/	EPDM/NBR
Gate Plate	1	SS201/SS304/SS316/2520/2205
Valve Seat	1	NBR/EPDM/TC/PU
Valve Body	1	QT450

DN	L	D	D1	D2	M	d	Number Of Holes	H
DN50	50	160	125	100	16	18	4	265
DN65	50	180	145	120	16	18	4	285
DN80	52	195	160	135	16	18	4	350
DN100	52	215	180	155	16	18	8	375
DN125	52	245	210	185	16	18	8	440
DN150	55	280	240	210	20	23	8	475
DN200	57	335	295	265	20	23	8	570
DN250	73	390	350	320	20	23	12	705
DN300	72	440	400	368	20	23	12	790
DN350	90	500	460	428	20	25	16	875
DN400	90	565	515	482	20	25	16	930
DN450	95	615	565	532	20	25	20	1060
DN500	105	670	620	585	20	25	20	1160
DN600	115	780	725	685	24	30	20	1350

Detailed Photos

SMOOTH FLOW PATH

Straight-through configuration maintains uninterrupted fluid passage without turbulence or pressure reduction, preserving system efficiency and operational performance standards.
 
MATERIAL FLEXIBILITY

Customizable material combinations accommodate diverse operating conditions and application requirements, ensuring optimal compatibility with various industrial environments.
 
VERSATILE APPLICATION

Proven performance across multiple industries, including power, chemical, and manufacturing sectors, demonstrates reliable operation in demanding industrial conditions.
 
STANDARD DESIGN

Industry-standard configuration represents the most widely used valve type, providing established reliability with proven maintenance practices and operational familiarity.

FAQ

Q1: What's the lead time for orders?
A: Standard models ship in 15–30 days; Customized units require 30–45 days.
 
Q2: Do you provide after-sales service overseas?
A: Yes, we have partnered service centers in key regions.
 
Q3: Can I request a customized bucket size?
A: Absolutely! We offer tailored attachments.
 
Q4: What documents do you provide for export?
A: Full export package (Commercial Invoice, Packing List, Bill of Lading, COC, etc.).
 
Q5: How do I place an order?
A: Contact us via email/phone for a quote, then confirm with a PO.