1, Size: 1"-12"(33.4mm-323.9mm)
2, Standard: ANSI / BS / DIN /JIS
3, Certification: UL/FM CE CCC
4, We are manufacturer
5, Liability Insurance by PAIC
CNG Products Features
Material: Ductile cast iron conforming to ASTM A-536, Grade 65-45-12.
Standard: Epoxy powder coating
Optional: Galvanized (Zinc Plated, HDG)
Surface Color: Variable colors for choice
Bolts and Nuts
Heat treated and electro galvanized bolts with oval neck, and heavy duty hexagon nuts.
Track head meeting the physical and chemical requirements of ASTM A-449 and physical requirements
Of ASTM A-183.
Grade &#8220;E&#8221; EPDM (Color code: Green stripe)
Temperature range -30°F to +230°F (-34°C to +110°C). Recommended for cold and hot water service within the specified temperature range plus a variety of dilute acids, oil-free air and many chemical services. NOT RECOMMENDED FOR PETROLEUM SERVICES.
Grade &#8220;T&#8221; Nitrile NBR (Color code: Orange stripe)
Temperature range -20°F to +180°F (-29°C to +82°C). Recommended for petroleum products, air with oil vapors, vegetable and mineral oils within the specified temperature range. Not recommended for hot water services over +150°F (+66°C) or for hot dry air over +140°F (+60°C).
Grade &#8220;O&#8221; Fluoroelastomer
(Color code: Blue stripe)Temperature range +20°F to +300°F (-7°C to +149°C). Recommended for many oxidizing acids, petroleum oils, halogenated hydrocarbons, lubricants, hydraulic fluids, organic liquids and air with hydrocarbons.
Grade &#8220;L&#8221; Silicon
e (Color code: Red stripe)Temperature range -30°F to +350°F (-34 to +177°C). Recommended for dry heat, air without hydrocarbons to +350°F (+177°C) and certain chemical services. FIT products silicone gaskets are recommended for fire protection dry systems, all systems operating below 0°F (-18°C), plus dry heat, air without hydrocarbons, certain chemical services, and water to +160°F (71°C).