DN200 Flanged Hydraulic Check Valve 50-600

• Customization: Available
• Media: Water
• Temperature: Ordinary Temperature
• Model NO.: HQ41X-16Q
• Material: Cast Iron
• Connection Form: Flange
• Structure: Tubular
• Pressure: Ordinary Temperature
• Function: Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence
• Sealing Form: Bellows Globe Valve
• Flow Direction: Bidirectional
• Standard: GB
• Application: Water Industrial Usage
• Name: Flanged Ball Check Control Valve
• Useage: Water Flow Control, Non Return Flow
• Disc: Carbon Steel Ball Coated EPDM Rubber
• Valve Body: Ggg50
• Valve Bonnet: Ggg50
• Valve Bolts: Carbon Steel with Zinc Coatting
• Sealing Ring: EPDM or NBR Ruber Seal
• Ball: Carbon Steel Ball+ EPDM
• Size: DN50-DN300
• Transport Package: Plywood Wooden Box
• Specification: DN50-DN300
• Trademark: BTVAL
• Origin: Hebei China
• HS Code: 848180
• Production Capacity: 10000 Pieces/Year
• Package Size: 40.00cm * 40.00cm * 40.00cm
• Package Gross Weight: 30.000kg

Product Description

Product Description

                                            Flanged DN200 Check Valves Cast iron Body Material Btval   HS Code:8481804090

Body:ductile iron

Ball:Carbon steel+NBR/EPDM rubber 

Sealing:NBR/EPDM

Bolts:carbon steel with zinc coatting or Stainless Steel

1.Valve Body	GGG50 GGG40  EN-GJS-500-7 EN-GJS-400-15 QT400-18 QT450 QT500
2.Valve Bonnect	GGG50 GGG40  EN-GJS-500-7 EN-GJS-400-15 QT400-18 QT450 QT500
3.Connection	Flanged Various standard flanged holes drillings
4.Pressure	PN6 PN10 PN16 PN25,125LB,150LB
5.Port Size	50-600mm
6.Bolts and nuts	Stainess steel A2-70,Carbon steel with Zinc coating
7.Drawing	Available

Valve body casting words show,Customization

 Flanges and ball show

Supplying for more than 70+ world brands suppliers

OEM and ODM available with your casting logos.

Flanged connection available

BS DIN AWWA flanged connection

Material

Body:ductile iron
Ball:Carbon steel+NBR/EPDM rubber 
Sealing:NBR/EPDM
Bolts:carbon steel with zinc coatting or Stainless Steel

Ball:Carbon steel+NBR/EPDM rubber 

Used for waste water treatment.good use.

Advantages & Applications 
in Water Supply/Drainage Systems

1.Zero Leakage-Elastic seals (e.g.,EPDM,NBR) ensure tight shutoff,critical for  potable water and wastewater systems.

2.Corrosion Resistance-Withstands aggressive media (chlorinated water, sewage) without seal degradation.

3.Ease of Operation-Low torque design enables manual/small actuator use,ideal for frequent on-off cycles.

4.Low Maintenance-Replaceable seals reduce downtime and costs in large-scale municipal networks.

5.Versatility in Media-Handles sludge,suspended solids,and non-abrasive fluids common in drainage systems.

Company Profile

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

Double eccentri butterfly valve Flanged
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

On-Site Show What happening now in BTVAL

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Dated 2025.07.12
Nearly one hundreds DN350 DN400 DN450 DN500 Y stainers for oversea market
OEM designs

Dated 2025.07.10
Large F5 and F4 gate valves  for oversea market,European Market with WRAS Certificated.
OEM designs