3/4" -4" Sanitary Welded Check Valve DIN ISO

STYLE:

DIN

ISO/IDF

SIZE:

3/4"

1"

1-1/4"

1-1/2"

2"

2-1/2"

3"

3-1/2"

4"

DN15

DN20

DN25

DN40

DN50

DN65

DN80

DN100

φ32

φ45

φ57

Quantity:

Contact Now

add to cart

Sanitary Welded Check Valve

Standard: DIN ISO/IDF
Material Standard: EN 10088-2
Manufacturing Facility Standard: ISO 9001:2015 , GB/T19001-2016
Certification: Material Test Reports (MTRS) and Certificates of Conformity (COC) are available upon request.

Product Overview

3/4"-4"Sanitary Welded Check Valve DIN ISO

The 3/4"-4"Sanitary Welded Check Valve DIN ISO is a premium-quality industrial valve component engineered to meet the most demanding requirements in modern piping systems. Manufactured with precision and built to international standards, this valve delivers exceptional performance, reliability, and longevity across diverse industrial applications.

Our valves are precision-engineered using advanced manufacturing techniques and premium-grade materials. Each unit undergoes rigorous quality control and testing to ensure compliance with dimensional tolerances and pressure ratings specified by international standards including DIN, ISO.

Designed for critical applications in industries such as oil & gas, chemical processing, pharmaceuticals, food & beverage, and water treatment, this valve offers superior corrosion resistance, excellent sealing performance, and maintenance-free operation over extended service life.

Key Features

Premium Quality Materials: Manufactured from certified Stainless Steel ensuring excellent corrosion resistance and durability in harsh environments
Precision Engineering: CNC machined to exact specifications with tight tolerances meeting DIN, ISO standards
Comprehensive Size Range: Available in multiple sizes from 3/4"-4"to accommodate various piping applications
Superior Sealing Performance: Advanced sealing design ensures leak-tight performance and long service life
Industry Compliance: Fully compliant with ASME, EN, DIN, JIS, and other international standards
Versatile Applications: Suitable for oil & gas, chemical processing, power generation, water treatment, pharmaceutical, and food & beverage industries
Quality Assurance: 100% inspection and testing with comprehensive documentation and material traceability
Customization Available: Custom manufacturing services available for special requirements and non-standard specifications
Global Supply: Worldwide shipping with experienced logistics support ensuring safe and timely delivery
Technical Support: Expert engineering team providing technical consultation and application support

welded check valve

Welded Check Valve (DIN)

Dimensions & Sizes

Size	t	H	D	D1
DN15	1.5	81.0	87.0	18.0
DN20	1.5	81.0	87.0	22.0
DN25	1.5	81.0	87.0	28.0
DN32	1.5	81.0	87.0	34.0
DN40	1.5	81.0	87.0	40.0
DN50	1.5	91.0	100.0	52.0
DN65	2.0	95.0	115.0	70.0
DN80	2.0	101.0	128.0	85.0
DN100	2.0	110.0	164.0	104.0

welded check valve

Welded Check Valve (ISO/IDF)

Dimensions & Sizes

Size	t	H	D	D1
3/4"	1.5	81.0	87.0	19.0
1"	1.5	81.0	87.0	25.4
1-1/4"	1.5	81.0	87.0	32.0
1-1/2"	1.5	81.0	87.0	38.1
DN45	1.5	91.0	100.0	45.0
2"	2.0	91.0	100.0	50.8
DN57	2.0	91.0	100.0	57.0
2-1/2"	2.0	95.0	115.0	63.5
3"	2.0	101.0	128.0	76.2
3-1/2"	2.0	101.0	128.0	89.0
4"	2.0	110.0	164.0	101.6
	2.0	110.0	164.0	108.0

Quality Assurance

We maintain the highest standards of quality control throughout the manufacturing process:

Certification & Compliance

ISO 9001:2015 certified manufacturing facility
CE marked products (where applicable)
PED 2014/68/EU compliance (pressure equipment)
API 6D certification (for applicable valves)
Fire-safe certification API 607 (for specific models)

Material Traceability

100% material traceability with heat number tracking
Material Test Certificates (MTC) 3.1 per EN 10204
Chemical composition analysis
Mechanical property testing

Testing & Inspection

Hydrostatic pressure testing per ASME/EN standards
Pneumatic testing (when specified)
Shell and seat leakage testing
Non-destructive examination (NDE):
- Radiographic testing (RT)
- Ultrasonic testing (UT)
- Magnetic particle testing (MT)
- Liquid penetrant testing (PT)