wafer_type_swing_check_valv
wafer_type_swing_check_valve_line_diagram

Special Installation Instruction

  • Use PTFE Retainer Ring if connecting pipe ID is greater than Max. Inner Pipe Ø mentioned in below table. In such case retainer ring ID shall be equal to max. pipe ID required for respective size.

Standard Scope Of Supply

NO. Description MOC
1. Body With Lining Ductile Iron GGG40.3, ASTM A216 Gr. WCB (FEP Lined) †, (FEP Lined) †
2. Lined Disc Ductile Iron GGG40.3 (FEP Lined) †
3. Eye Bolt C.S (Zinc Plated)

 

† Standard Scope of Supply

Salient Features

    • Ideal Replacement to costly high alloy valves.
    • No Spring or Pin – No Corrosion or Wear & Tear
    • Low Pressure Drop
    • Special Liner Locking System to hold liner securely in position.

 

Technical Specifications

  • Design Standard : BS EN 593:2004 (Formerly BS 5155)
  • Flange : As per ANSI B16.5 / B16.42
  • Face to Face : ANSI B16.10 / DIN 3202 K1 / BS 5155 / ISO 5752 / API 609 / BS EN 558 – 1&2
  • Lining Thickness : 3 to 5 mm
  • Testing Standard : BS EN 12266-1&2 (2003)
  • Material
  • Dimensional
  • Test & Inspection
  • Optional Design

Body Material Options

  • Ductile Iron GGG40.3 / ASTM A395
  • Cast Steel ASTM A216 Gr.WCB
  • ASTM A351 Gr. CF8 / S.S.304
  • ASTM A351 Gr. CF8M / S.S.316

Lining Material Options

  • PFA – ASTM D 3307
  • FEP – ASTM D 2116
  • ETFE – ASTM D 3159
  • PVDF – ASTM D 3322

Dimensional Data

  • * As per BS EN 558 – 2 Table 6,Series-3.
  • # Testing in accordance with BS EN 12266-1(2003) Table A.3
SUITABLE TO MOUNT BETWEEN ANSI #150 FLANGES
SIZE

A†

(mm)

 B (mm) C (mm) D (mm) E (mm) Inner Pipe Ø Max. Opening
Min. Max.
DN40-1 1/2” 33 20 35 95 70 35 46 52°
DN50-2” 43 30 52 110 90 46 56 52°
DN80-3” 46 42 64 142 124 73 82 52°
DN100-4” 52 65 80 180 152 95 100 60°
DN150-6” 56 111 128 233 207 145 150 60°
DN200-8” 60 133 175 295 260 192 195 60°
DN250-10” 68 184 224 348 317 242 260 52°
DN300-12” 78 232 272 398 367 292 310 52°
DN350-14” 92 252 297 426 397 315 330 48°
DN400-16” 102 327 370 510 470 380 390 45°

Test & Inspection Data

  • Hydraulic Test : Body – 15 Kg/Cm2, Back Seat – 2 Kg/Cm2(Leakage Rate D)
  • Hydraulic Test :
    ΔP (psi) Leakage Rate
    0 – 40 5-10 cc/min
    41 – 74 3-5 cc/min
    75 & Above 0 cc/min
  • Spark Test : 15 K.V. D.C

Optional Design & Components

  • PTFE SOLID RETAINER RING

Technical Information subject to change without notice.