PRODUCT
Product reliability and performance are directly related to quality and a major concern of any customer who must have the assurance they are receiving products as designed, with a material and quality level that meets or exceeds their requirements.
Series 31H Resilient Seated Butterfly Valve
SPECIFICATIONS

 

SIZE RANGE: 2” – 20” (50mm – 500mm)
BODY STYLE: Lug
TEMPERATURE RANGE: -20°F to 250°F (-29°C to 121°C)
PRESSURE RATINGS: Bidirectional Bubble-tight Shutoff: 250 psi (17.2 Bar)
Dead-End Service Shutoff: 250 psi (17.2 Bar)
Body (CWP): 250 psi (17.2 Bar)
BODY MATERIALS: Cast Iron, Ductile Iron
DISC MATERIALS: Nylon 11 Coated Ductile Iron, Aluminum Bronze, Stainless Steel
STEM MATERIALS: Stainless Steel
SEAT MATERIALS: Bonded BUNA-N, Bonded EPDM
APPLICATIONS: High Pressure, HVAC, Dead-End service

 

 

DETAIL

Series 31H Lug resilient seated butterfly valves are drilled and tapped to meet ASME Class 125/150 and PN16 flanges. Series 31H Valves will not be automated.

Document Type Download
Sales Brochure - Resilient Seated Butterfly Valves PDF
Technical Manual - Resilient Seated Butterfly Valves PDF
Operations & Maintenance Manual - Resilient Seated Butterfly Valves PDF
Safety Manual - Resilient Seated Butterfly Valves PDF
Series 31H Recommended Specifications - Detailed PDF
Series 31H Recommended Specifications - Summary PDF
Series 31H Sales Reference Drawings PDF
Resilient Seated Sales Reference Drawings PDF

 

Copyright © ITEM ENGINEERING CO.,LTD. All rights reserved.