Standards

Quick Answer EPDM is a flexible, cost-effective rubber ideal for water, steam, and outdoor applications, but it fails with oils and hydrocarbons. PTFE is a rigid, […]

Quick Answer The choice between EPDM and NBR rubber depends on the fluid handled. EPDM excels with polar substances like water, steam, and brake fluid, offering […]

Quick Answer Teflon (PTFE) and EPDM are fundamentally different materials: PTFE is a rigid, chemically inert fluoropolymer plastic, while EPDM is a flexible synthetic rubber. EPDM […]

Quick Answer The choice between Viton and Buna-N seals depends on your system's temperature and chemical exposure. Viton (FKM) is a premium elastomer for extreme heat […]

Quick Answer EPDM and BUNA (NBR) are distinct synthetic rubbers with opposing chemical resistances. EPDM excels with water, steam, and outdoor weathering but fails catastrophically with […]

Quick Answer Valve standards from API, ANSI, and ISO define design, testing, and performance criteria, ensuring safety, compatibility, and regulatory compliance. API focuses on oil and […]

Quick Answer API 607 and API 6FA are fire-safety test standards for industrial valves, differing in scope and application. API 607 tests soft-seated, quarter-turn valves like […]

Quick Answer API 6D and API 608 are two key standards for industrial ball valves, each serving different applications. API 6D governs large-diameter, high-pressure valves for […]

Quick Answer API 6D and API 598 are complementary American Petroleum Institute standards for pipeline valves: API 6D governs design, manufacturing, and construction, while API 598 […]