All certifications are current and up to date. Feel free to download the certificates, and or the catalogs pertaining to the certain valve products along with all the associated drawings, and catalog information.
Engineering Resources, Drawing, Certifications & More...
Certifications
ISO 9001
Certificate No. 038 issued by American Petroleum Institute since April 1999.
API6A
API-6A Certificate No. 6A-0234 from American Petroleum Institute to apply on valves at PSL, 1 through 4.
API6D
API-6D Certificate No. 6D-0097 issued by American Petroleum Institute to apply on Gate valves, Plug valves, Ball valves and Check valves manufactured in accordance with API-6D specification.
API600
API-600 Certificate No. 600-0109 issued by American Petroleum Institute to apply on Bolted Bonnet Steel Gate Valves manufactured in accordance with API-600 specification.
API602
API-602 Certificate No. 602-0024 issued by American Petroleum Institute to apply on Compact Steel Gate Valves, Compact Steel Globe Valves, and Compact Steel Check Valves manufactured in accordance with API-602 specification.
API 594
Certificate API-594 No. 594-0007 issued by American Petroleum Institute to apply on Check Valves-Type A; Check Valves Type Bmanufactured in accordance with API-594 specification.
API Q1-1479
Systematic Integrity Capable SIL3
Systematic Integrity Capable SIL3
Systematic Integrity Capable SIL3
CE Certificate
Certificate as per PED 97/23/EC Module H to stamp CE products.
CFE Reliable Supplier
No. 199/07 issued by CFE Accordance w/ ISO-9001 Quality Assurance System.
Catalogs, Drawings, & Certification PDF's
All files are PDF under 1MB unless otherwise noted.
Walworth Catalogs, Certifications, and Dimensional Drawings
- Walworth Cast Steel Gate Globe & Check Valves
- Walworth API602 Gate Globe & Check Valves
- Walworth Cast Stainless & Specialty Alloy Valves
- Walworth Floating Ball Valves
- Walworth Trunnion Mounted Ball Valves
- Walworth Industrial Bronze Valves
- Walworth Expanding Gate Valves
- Walworth Through Conduit Slab Gate Valves
- Walworth Dual Plate Wafer Check Valves
- Walworth Cast Iron Valves
- Walworth Iron Plug Valves
- Walworth Cast Steel Plug Valves
- Walworth Pressure Seal Valves
- Walworth Bronze Safety & Relief Valves
- Walworth Cast Steel Safety & Relief Valves
Advanced Thermal Systems, Inc. Catalogs
Slip Joints Catalog:
Ball Joints Catalog:
Guides & Supports Catalog:
Informative Video Links
All files are PDF under 1MB unless otherwise noted.
Valve Videos
Walworth Forged Steel:
- Forged Steel Globe Valves
- Forged Steel Gate Valves
- Forged Steel Piston Check Valve
- Forged Steel Ball Check Valve
Walworth Through Conduit Gate Valves:
Walworth Plug Valves:
Skinner Brothers Company Inc. Instructional Videos