DIN F6 EPDM Rubber Flap Check Valve Non Return Check Valve Flanged Btval

• Customization: Available
• Media: Water
• Temperature: Low Temperature
• Model NO.: H44X-16Q
• Material: Cast Iron
• Connection Form: Flange
• Structure: Swing
• Pressure: Low Pressure
• Function: Sfcv Rubber Lobe
• Sealing Form: Rubber Sealing
• Flow Direction: Unidirection
• Standard: DIN
• Application: Industrial Usage, Water Industrial Usage
• Passport: DIN F6
• Valve: EPDM Rubber Flap Check Valve
• Face to Face: DIN F6
• DN 100: 300mm Face to Face
• Flange: 8-φ19
• Weight: 22 Kgs
• Packing Box: 350*250*400mm
• Gross Weight: 30 Kgs
• Medium: Water
• Seal Test: 11/18 Bar
• Body Test: 15/24 Bar
• Drive Form: Self-Motion
• Plug/Washer/Bolt: ANSI304 Stainless Steel
• Body/Bonnet: Ductile Iron
• Disc: Wcb/Di+EPDM
• Transport Package: Polywood Box
• Specification: DN50-DN600
• Trademark: BTVAL
• Origin: China
• HS Code: 8481804090
• Production Capacity: 5000 PCS
• Package Size: 35.00cm * 25.00cm * 40.00cm
• Package Gross Weight: 30.000kg

Product Description

high-performance check valve

Our high-performance valve ensures efficient backflow prevention with durable soft seals and compact design. ISO/CE-certified factory, 30+ years' expertise.

Specification

Applications

Applications
1.Municipal Sewage Networks: Prevents backflow in corrosive fluid pipelines; soft seals resist H2S abrasion.
2.Industrial Wastewater Systems: Handles chemical-laden flows;  SS316/Ductile Iron construction for durability.
3.Stormwater Management: Compact design adapts to fluctuating flows;     minimizes water hammer risks.
4.Treatment Plant Sludge Lines: Dual-plate structure avoids clogging from       solids/sediments.
Key Advantages:
1.Advanced CNC machining for precise leakage-proof performance;
2.Customized materials (WCB, SS316,Ductile iron etc.) & flange standards
    ( ANSI/DIN/JIS/BS);
3.30% faster delivery via automated production lines;
    24/7 multilingual tech support.
4.Trusted by global water treatment, HVAC, and chemical projects. Export-  ready packaging. Contact for competitive OEM pricing!

Key Configurations

Main body: 
Ductile Iron (Nodular Cast Iron) Grades & Specifications
ASTM A536: 60-40-18 (60 ksi TS, 40 ksi YS, 18% Elongation)
EN 1563: EN-GJS-400-18, EN-GJS-500-7, EN-GJS-600-3
JIS G5502: FCD400, FCD450, FCD700 (high-strength variants)
GB/T 1348: QT400-18, QT500-7, QT600-3
Key Internal Components :
Discs: DI with anti-corrosion coating rubber for drinking water
Soft Seal Ring: NBR/EPDM/FKM for zero-leakage sealing
Stem/Shaft: SS304 with self-lubricating bushings
Hinge Pins: Hardened alloy steel for wear resistance

Bolts&Nuts:Stainless Steel ANSI04

OEM casting logos

Standard Flange Connection

Good market and Lifelong quality

This light features high brightness,energy saving, 

environmental protection, and easy installation.

 

Clearly Logos casting and heat Nos.

OEM for 30 years manufacutring 

Good beauty valve body with good painting.

For valve body flanges, body tickness.

pressure tesing, material test

are according to Standard(DIN.BS,ANSI and JIK )

Very good market rates in European Market

Especiall in Russia Market.

Good cost and enjoy big profit for customer

Technical Specifications

Model	DN100 DIN F6	MIN DN50 DIN F6	Max DN600 DIN F6
Operation Weight(Kg)	22 kgs	9 kgs	860 kgs
Connection	8-φ19 Flanged	Flanged	Flanged
Face to Face Length	300mm	200mm
Working Pressure (Mpa)	1.6/1.0Mpa	1.6/1.0Mpa	1.6/1.0Mpa
Coated Material	Potable Water Grade Epoxy Resin	Potable Water Grade Epoxy Resin	Potable Water Grade Epoxy Resin
Operation	Self working by water flow	Self working by water flow	Self working by water flow
Casting Logo Brand	OEM	OEM	OEM

Drawing & Dimensions

Detailed CAD drawings and dimensional diagrams are available for download here or upon inquiry. Our engineering team can provide tailored designs to meet specific project requirements.

Company Profile

BTVAL / Botou Valve Manufacturing Industrial Co.,Ltd 

This street light features high brightness, energy saving, environmental protection, and easy installation. It has a waterproof rating of IP67 and has passed CE certification. It is suitable for schools, parks, roadsides, factories, squares, etc. It has a warranty period of 3 years. Moreover, we can provide various styles to meet your needs.

Why choose us

Other products

Supplying for 72+ world brands
OEM/ODM capabilities
Competitive pricing & bulk discounts
Fast shipping & customs clearance support
Turnkey project solutions
Direct Manufactuer

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Ductile Iron Gate Valve
Various Standard and Type Check Valve
Water Pressure Control Valve
Water level control valve
Y Strainer

Certifications

TUV SGS BV CTC Factory Checked

      WRAS for Water use

  CE. ISO9001,COO and other valve tested

Packing & Delivery

After Sales Service

Standard Warranty: 

24/7 global technical support via email/chat.
5-year warranty on valve body & seals.
Emergency spare parts shipped within 48h.
Free maintenance guidance with video/docs.

Valves Show

FAQ

General inquiry about valve and BTVAL

1. Could I get free samples?
A:Yes,We could provide you the free samples,but you need to bear their own delivery costs.
2. Could I request to change the form of packing and transportation?
A:Yes,we made it often.we can change the form of the packing and transportation according to your request,but you have to bear their extra costs.
3.Could I request to advance the shipment?
A.It should be depends on whether there is sufficient inventory in our BTVAL workshop warehouse.
4.Could I have my own logo on the valves or fitting?
A:Yes,you could send us your drawing and we could make your logo.Making customer logo valves for 20+ years.
5.Could you produce the products according to my own drawings?
A:Yes,we could produce the products accoring to your drawings that will be most satisfy you.
  ODM and OEM for 20+ years for world market and good valve brand.
6.Which price terms could be accepted?
A: FOB,FCA,CFR,CIF,EXW OK.
7.Your team serive or factory serive?
 Yes,here is one team (3-5 office workers working for you)with factory workshop team to gurantee your production exactly.

8.How to contact you?

A: Click the left to coctact BTVAL

9.Could we be your agent in one area with a good quantity?

A:Yes,it is available based on the agent contract,commonly for one year. and update