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Features of DPP Diaphragm Valve

• One piece sturdy body with cross ribs to reinforce end flanges.
• Latest inverted design diaphragm remains unstressed while valve is in closed position gives more service life.
• Deep seat allows maximum flow & excellent throttling characteristics.
• Available with Neoprene, EPDM, Hyplon, Butyl, Viton, Teflon-coated and pure PTFE diaphragms.
• Available in screwed end onnections also.
  Size Range:
  15 mm NB to 100 mm NB.
  Drilling:
  As per all internationally accepted standards, such as BS, DIN, ASA 150, etc.
  Hydrostatic Test:
  At 10 kg/sq.cm.g for Body and Seat.

• Dimensional Details

  Size (NB)	L	H	T	Torque Nm
  15 mm	101	82	12.5	4.93
  20 mm	117	110	14.0	6.40
  25 mm	126	120	16.0	8.87
  32 mm	158	158	17.0	15.28
  40 mm	158	158	17.0	15.28
  50 mm	190	177	19.0	24.65
  65 mm	254	237	23.0	42.39
  80 mm	254	237	23.0	42.39
  100 mm	335	272	25.0	65.00

  Ball Check Valve Technical Drawing

  Bill of Material

  No.	Part	Qty.	Material
  1	Body	1	Iso. PP / PPH / PVDF / A. PP/ A. HD
  2	Diaphragm	1	EPDM / NEOPRENE / VITON / Teflon Coated / Hyp Ion
  3	Bonnet	1	Iso. PP / PPH / PVDF / A. PP/ A. HD
  4	Compressor	1	Alluminium / CI
  5	Bolt, Nut, Washer	–	MS / SS304 / SS316
  6	Stem	1	MS / SS304 / SS316
  7	Nut	1	MS / SS304 / SS316
  8	Washer	–	MS / SS304 / SS316
  9	Pin	1	MS / SS304 / SS316
  10	Hand Wheel	1	Iso. PP/CI