Products
Flange Process Picture
 
Butterfly Valve
High Performance Butterfly Valve
Technical Data

PRODUCTS

MODEL: STHL

 

 

LUG TYPE HIGH PERFORMANCE BUTTERFLY VALVE
  CLASS 150 - ANSI 150LBS, PN10, 16, JIS 10, 16K
  CLASS 300 - ANSI 300LBS, PN 25, 40, JIS 16, 20, 30K
 

MODEL: STHW

 

 

WAFER TYPE HIGH PERFORMANCE BUTTERFLY VALVE
  CLASS 150 - ANSI 150LBS, PN10, 16, JIS 10, 16K
  CLASS 300 - ANSI 300LBS, PN 25, 40, JIS 16, 20, 30K
 

FEATURES

1. Available range:
- Size : 2” ~ 24”
- Type: Wafer , Lug
- Pressure Rating: Class 150, 300
- Body Material: A216 WCB Cast Steel , A351 CF8M / CF3M Stainless Steel
- Seat Material: Soft Seat (PTFE / RTFE / TFM / PEEK )
                Metal Seat (A240 Tp 316 / 304), ENP COATED METAL SEAT
- DISC : A351 CF8M , CF3M Stainless Steel
- Operation: Operation: Lever , Gear or Actutator
- Drilling: ANSI 150, JIS 10/16K, DIN PN 10/16
               ANSI 300, JIS 20/ 30K, DIN PN 25/ 40.

2.Standard Features:
1) Tight shut-off design.

2) One - piece body material are either cast steel or
stainless steel for excellent corrosion resistance.

3) High strength one-piece stem in A564 gr.630 materials.

4) ISO 5211 mounting pad with square shaft permits
direct mount actuation for both Manual (Lever & gear),
pneumatic and electric actuators.

5) Double off-set configuration with conical angled disc design. Maximize flow and minimize resistance providing high Cv.

6) Seat available in either Soft (PTFE / RTFE) or Metal (A240 Tp 316 / 304).
Both soft seats and Metal seats are interchangeable.

7) Gland Flange preventing uneven load distribution against packing.

8) Internal travel stop design to prevent over travel of the disc.
Minimizing possible seat damage.

9) Retainer ring surface finish is 125 to 200 AARH and is compatible with both standard gasket and spiral wound gasket designs. Outside diameter is recessed within gasket sealing surface to prevent external leakage.

10) The heavy duty handle and 10 position notch plates allow for positioning
the valve disc to precise angle stops.

3. Valve Rating:
Top flange mounting pad: ISO 5211
Basic Design: API 609, MSS-SP-68, BS 5155, ISO 5752
Pressure/Temp Rating: ANSI B16.36
Shell/Seat Test: API 598, MSS-SP-61
Seat Hydro: Class 150 (360 psig)
                  Class 300 (740 psig)




+ STHW FRONT

+ STHW BACK

+ STHL FRONT

+ STHL BACK
ST & H Corp.
Tel : 82-51-7444680
Fax :82-51-7444670~1
74 Jwadongsunhwan-Ro,
Haeundae-Gu, Busan,
Korea. 48083