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Safety valve zARMAK Fig.781

Safety valve zARMAK Fig.781
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Safety valve zARMAK Fig.781

Product catalog summary
Specifications:
The Proportional Safety Valve zARMAK C is designed according to PN EN ISO 4126-1 standards. It operates at a nominal pressure of 16 bar and a maximum temperature of 200°C. The valve is constructed from brass and is available in nominal diameters ranging from DN 10 to DN 25.
Features:
The valve offers high tightness, quiet operation, and protection against limescale and mechanical dirt. It includes a soft sealing disc for improved closure tightness.
Applications:
This valve is suitable for use in heating, water, air, steam, and neutral fluids, including drinking water, and is applicable in power engineering.
Materials:
Components are made from materials such as 51CrV4 for the spring, CuZn40Pb2 for the body, and X39CrMo17-1 for the disc and lifting bell. The spindle for marine types is made from X17CrNi16-2.
Dimensions:
Detailed dimensions are provided for valve sizes DN 10x15, 15x15, 20x20, and 25x25, with corresponding set pressure ranges and weights.
Installation Notes:
Valves should be mounted vertically, and blow-out installations should be inclined and drain-holed to prevent condensate accumulation.
Discharge Coefficients:
Discharge coefficients for vapors, gases, and liquids are specified for different valve types and sizes.
Pressure-Temperature Ratings:
The valve is rated for pressures up to 16 bar.
Capacity Tables:
Capacity tables for air, saturated steam, and water detail flow rates at various set pressures and bore areas.
Types:
Various valve types are listed, including normal, gas-tight, marine, and reduced lift types, with sealing materials such as metal/metal, NBR, and EPDM, and maximum temperature ratings from 90°C to 200°C.
Additional Specifications:
Marine type valves are gas-tight with EPDM sealing discs, nominal pressure PN16, and nominal diameter DN20. They are made from brass CuZn39Pb2 and have threaded ends in an angle form.
Ordering Information:
Orders should use the product number (index), e.g., Order Code: 781 020 C.
Product Variants:
Includes normal types for gases and vapors with metal/metal sealing and marine type with reduced lift, gas-tight.
Contact Information:
ZETKAMA Sp. z o.o., ul. 3 Maja 12, PL 57-410 Ścinawka Średnia. Phone: +48 74 8652 174 / +48 74 8652 111. Fax: +48 74 8652 199. Email: [email protected]. Website: www.zetkama.com.
Note:
Data may change without notice. Edition: 06/2016.
See more

Catalog excerpts

Safety valve zARMAK Fig.781-1

ends form threaded angle PROPORTIONAL SAFETY VALVE zARMAK body material nominal pressure nominal diameter FEATURES valves made according to PN EN ISO 4126-1 high tightness For valve with soft sealing quiet work of valve raised tightness of closure protection of disc sealing surface against limescale settling as well as against any small mechanical dirt water (including drinking water) power engineering steam neutral fluids Data given can be changed without notice. ZETKAMA Sp. z o.o. ul. 3 Maja 12 PL 57-410 Ścinawka Średnia e-mail [email protected] www.zetkama.com 1/10

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Safety valve zARMAK Fig.781-2

ends form threaded angle body material standard with soft sealing disc lifting bell temperature range * for marine type (05, 06, 07, 08) spindle made of: X17CrNi16-2 Data given can be changed without notice. ZETKAMA Sp. z o.o. ul. 3 Maja 12 PL 57-410 Ścinawka Średnia e-mail [email protected] www.zetkama.com 2/10

 Open the catalog to page 2
Safety valve zARMAK Fig.781-3

ends form threaded angle with soft sealing disc 01-2(3), 02-2(3),03-2(3), 04-2(3),05-2(3), 06-2(3),07-2(3),08-2(3) Data given can be changed without notice. ZETKAMA Sp. z o.o. ul. 3 Maja 12 PL 57-410 Ścinawka Średnia e-mail [email protected] www.zetkama.co

 Open the catalog to page 3
Safety valve zARMAK Fig.781-4

ends form threaded angle DISCHARGE COEFFICIENTS NOTES If condensate accumulates, the blow-out installation should be drainholed the lowest point, in case of liquids, the blow-out installation should be inclined. The valve should be mounted in vertical position. PRESSURE-TEMPERATURE RATINGS Allowed working conditions range PN16 CuZn39Pb2 2.0380 Data given can be changed without notice. ZETKAMA Sp. z o.o. ul. 3 Maja 12 PL 57-410 Ścinawka Średnia e-mail [email protected] www.zetkama.com 4/

 Open the catalog to page 4
Safety valve zARMAK Fig.781-5

ends form threaded angle CAPACITY TABLE FOR AIR AND SATURATED STEAM Capacity for air and saturated steam in kg/h for type 781 (781T C01-1E) according to EN ISO 4126 DN (inlet x outlet) for type 781 Air 20oC Capacity calculated at overpressure 0,1 bar or 10% Data given can be changed without notice. ZETKAMA Sp. z o.o. ul. 3 Maja 12 PL 57-410 Ścinawka Średnia e-mail [email protected] www.zetkama.com 5/10

 Open the catalog to page 5
Safety valve zARMAK Fig.781-6

ends form threaded angle CAPACITY TABLE FOR AIR AND SATURATED STEAM Capacity for air and saturated steam in kg/h for type 781 (781T C01-1E) according to EN ISO 4126 DN (inlet x outlet) for type 781 Air 20oC Capacity calculated at overpressure 0,1 bar or 10% Data given can be changed without notice. ZETKAMA Sp. z o.o. ul. 3 Maja 12 PL 57-410 Ścinawka Średnia e-mail [email protected] www.zetkama.com 6/10

 Open the catalog to page 6
Safety valve zARMAK Fig.781-7

ends form threaded angle CAPACITY TABLE FOR WATER Capacity for water in kg/h for type 781 (781T C01-1E) according to EN ISO 4126 DN (inlet x outlet) for type 781 781 (781T C01-1E) Capacity calculated at overpressure 0,1 bar or 10% Data given can be changed without notice. ZETKAMA Sp. z o.o. ul. 3 Maja 12 PL 57-410 Ścinawka Średnia e-mail [email protected] www.zetkama.com 7/10

 Open the catalog to page 7
Safety valve zARMAK Fig.781-8

ends form threaded angle CAPACITY TABLE FOR WATER Capacity for water in kg/h for type 781 (781T C01-1E) according to EN ISO 4126 DN (inlet x outlet) for type 781 781 (781T C01-1E) Capacity calculated at overpressure 0,1 bar or 10% Data given can be changed without notice. ZETKAMA Sp. z o.o. ul. 3 Maja 12 PL 57-410 Ścinawka Średnia e-mail [email protected] www.zetkama.com 8/10

 Open the catalog to page 8
Safety valve zARMAK Fig.781-9

ends form threaded angle TYPES figure body material 01-1 normal type for gases and vapours gas tight type for gases and vapours sealing metal/metal sealing metal/metal 03-1 type with reduced lift for liquids sealing metal/metal 04-1 type with reduced lift, gas-tight sealing metal/metal 05-1 marine type for gases and vapours sealing metal/metal 06-1 marine type with reduced lift sealing metal/metal 07-1 marine type, gas-tight sealing metal/metal 08-1 marine type reduced lift, gas-tight sealing metal/metal normal type for gases and vapours gas tight types for gases and vapours 03-2 type with reduced...

 Open the catalog to page 9
Safety valve zARMAK Fig.781-10

ends form threaded angle body material 01-3 normal type for gases and vapours sealing disc EPDM 02-3 gas tight type for gases and vapours sealing disc EPDM 03-3 type with reduced lift for liquids sealing disc EPDM 04-3 type with reduced lift, gas-tight sealing disc EPDM marine type for gases and vapours sealing disc EPDM marine type with reduced lift sealing disc EPDM 07-3 marine type, gas-tight sealing disc EPDM 08-3 marine type with lreduced lift, gas-tight sealing disc EPDM ORDERING To place an order please use our product number (index) body material ORDER EXAMPLE proportional safety valve,...

 Open the catalog to page 10

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