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Square Knife Gate Valve,150LB,DN500.EPDM Seat - China Valve Manufacturer | STV
Valve

Square Knife Gate Valve,150LB,DN500.EPDM Seat - C | RFQ Sourcing Details

Valve · Quote on request

This is a product procurement detail page: check specs, images, category context and related sourcing paths before sending an RFQ.

Quote on request

Product specs

CategoryValves
Unitset
Active Seat SealingReliable shut-off even in abrasive or sticky media
Actuation OptionsManual, Pneumatic, Electric, Gear, Chain Drive
ApplicationFood and beverage processing
Available Actuation TypesPneumatic, electric, manual, chain wheel
Bearing Bush#45 #45 #45
BodyWCB CF8 CF8M
CategoryValve
AvailabilityInquiry required
Updated2026-05-05

Buyer's Digest

Use this page as a product-first sourcing checkpoint before sending an RFQ. Category: Valve. Confirm application fit, capacity, materials, destination, lead time and compliance requirements before comparing suppliers.

Original product description

Description Square Knife Gate Valve is a unidirectional, low-pressure gate valve designed for open discharge applications. Its square or rectangular outlet is intentionally larger than the round inlet, eliminating any narrowing or bottleneck at the exit p

Square | Applications and Buyer Notes

Square is organized as a sourcing-ready Valve reference. The page combines visible product or company data with structured procurement cues so buyers can compare application fit, specifications, quantity, quality requirements and lead-time questions before sen

Applications

  • Initial shortlist building for related product or supplier options.
  • Specification and application fit review before bulk purchasing.
  • Category, keyword and detail-page comparison before sending an RFQ.

Key specifications

Category
ValvesBased on visible page data; confirm exact value in the RFQ.
Unit
setBased on visible page data; confirm exact value in the RFQ.
Active Seat Sealing
Reliable shut-off even in abrasive or sticky mediaBased on visible page data; confirm exact value in the RFQ.
Actuation Options
Manual, Pneumatic, Electric, Gear, Chain DriveBased on visible page data; confirm exact value in the RFQ.
Application
Food and beverage processingBased on visible page data; confirm exact value in the RFQ.
Available Actuation Types
Pneumatic, electric, manual, chain wheelBased on visible page data; confirm exact value in the RFQ.
Bearing Bush
#45 #45 #45Based on visible page data; confirm exact value in the RFQ.
Body
WCB CF8 CF8MBased on visible page data; confirm exact value in the RFQ.

Buyer tips

  • State quantity range and split-delivery needs before price comparison.
  • Add certification, material or inspection standards when they affect acceptance.
  • For time-sensitive projects, include target arrival date and destination.
  • For special applications, describe operating condition, installation environment and duty cycle.

FAQ

What should buyers confirm first?

Confirm application, specification, quantity, destination and lead-time requirements before comparing offers.

Can buyers inquire when specs are incomplete?

Yes. Add model, material, size, use case and inspection needs in the RFQ to make replies comparable.

How should this listing be evaluated?

Check title, category, specifications and related keywords against the actual sourcing requirement.

Source mix: ugc

RFQ Preparation Notes

Square Knife Gate Valve,150LB,DN500.EPDM Seat - China Valve Manufacturer | STV can be used as an RFQ preparation reference after reviewing the original product description, images, and specification table.

Use the inquiry form to add application context, quantity, destination, delivery timing, required standards, and customization constraints. Price status: Quote on request; quantity reference: Quantity by inquiry; lead time: Lead time by inquiry.

Key specifications

CategoryValves
Unitset
Active Seat SealingReliable shut-off even in abrasive or sticky media
Actuation OptionsManual, Pneumatic, Electric, Gear, Chain Drive
ApplicationFood and beverage processing
Available Actuation TypesPneumatic, electric, manual, chain wheel
Bearing Bush#45 #45 #45
BodyWCB CF8 CF8M
Body MaterialsWCB, CF8, CF3, CF8M, CF3M, 4A, 5A, 904L
BonnetWCB CF8 CF8M
BracketWCB CF8 CF8M
Capacity150lb
CategoryValves
Design & Manufacturing StandardMSS SP–81
Face-to-Face Dimension StandardMSS SP–81
FeatureWhat You Gain
Feature Highlightspneumatic
Flange Connection StandardsGB/T9113–2010, EN1092–2002, ASME B16.5–2013, ASME B16.47–2011, AS2129–2000, AS4087–2004, JIS B2220–2004
Gland FlangeWCB CF8 CF8M
Inspection & Testing StandardMSS SP–81 (no visible leakage, special leakage tests available upon request)
Matched Termsvalve, flange
O-ringNBR
Oversized Discharge PortHandles high-volume bulk media with ease
PackingPTFE
PartMaterials
Pin65Mn 65Mn 65Mn
Pressure150psi
Pressure RatingsPN10, PN16, ANSI 150Psi, 5K / 10K
Product TitleSquare Knife Gate Valve,150LB,DN500.EPDM Seat - China Valve Manufacturer | STV
Round Inlet + Square OutletFull-bore flow, zero clogging at discharge point
SeatHard Seal or EPDM
Seat CoverWCB CF8 CF8M
Size RangeDN100 ~ DN600;NPS: 4″-24″
Stem2Cr
Stem Connector2Cr
Stem NutBrass Brass Brass
Temperature-Pressure Rating StandardsGB/T12224–2007, ASME B16.34–2009, ISO7005–1
Two-Piece Body DesignQuick maintenance and internal inspection
Typical ApplicationsPulp & Paper, Mining, Chemical Industries
Wide CompatibilityWorks with ANSI, DIN, JIS, GB flanges
Working Pressure by SizeDN100 ~ DN250: 10Bar, DN300 ~ DN450: 7Bar, DN500 ~ DN600: 4Bar

Product sourcing keywords

These terms come from the title, visible copy and specifications, and link into matching aggregate pages.

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