DIN Cast Steel Y-Type Bellows Seal Globe Valves (YWJ41H)

Bellows are the details of the DIN Cast Steel Y-Type Bellows Seal Globe Valve:
1. Desgin Features
(1)2-Part rising stem with outside roll-formed thread; Stem coupling with bellows anti- torque device and position indicator;
(2)Full size safety gland packing made of pure graphite; Can also be supplied in PTEF on request;
(3)Metal back seat with stroke limiter in open position and bellows anti-vibration device;
(4)Multiple wall, fully flushed stainless steel bellows, secured against torsion, designed for 8, 000 cycles; Fully welded;
(5)Stainless steel grooved bonnet gasket coated by pure graphite, mounted in tongue and grooved bonnet flanges;
(6)Swivel conical shaped plug or flat disc made of hardened chromium steel ANSI420 or reinforced with STL 6; Body seat hard with S. S or STL 21.
2. Technical Specifitions:
(1)Design Standard: DIN EN 13709-2003
(2)Face to Face Dimensions: DIN EN588-1: 1995
(3)End Flange Dimension: DIN EN 1092-1: 2002
(4)Test Standard: DIN EN 12266: 2003
3. Performance Specifications: Please consulte the tables below.
4. Main Parts and Materials: Please consulte the tables below.
5. Main Sizes and Dimensions: Please consulte the tables below.
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