(High Performance Wafer Butterfly Valve)

Standards Applicable

Face-to-face:
EN 558 Series 20, optional Series 25
ISO 5752 Series 20
API 609 Table 1
BS 5155 Series 4
NF E 29-305.1

Flange accommodation:
DIN 2501 PN 10/16/25/40 (to DN 150)
DIN 2501 PN 10/16/25 (DN 200-1200)
DIN 2632/33/34/35
ANSI B 16.5, Class 150
MSS SP44 Class 150
AWWA C 207
AS 2129 Table D and E
BS 10 Table D and E
JIS B 2211-5 K
JIS B 2212-10 K

Flange Surface Design: DIN 2526, Form A-E, ANSI RF

Top flange: EN ISO 5211 NF E 29-402

Marking: DIN EN 19

Test & Inspection: EN 12266

Specification
Pressure Rating::  PN10,16,25,40
Size Range:   DN50~DN1200
Disc Sealing:    PTFE, R-PTFE
Operator:   Lever, Gear, Electric, Pneumatic, Hydraulic
Materials:    Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel
Standard:  C22.8 (1.0460) / GP240GH (1.0619/GS-C25),
Low temperature: TSTE355 (1.0566)
High temperature:  16Mo3 (1.5415) / GS-22Mo4 (1.5419),13CrMo4-5 (1.7335) / GS-17CrMo55 (1.7357)
Stainless steel1:  .4401 / 1.4404 / G-X6CrNi18.9(1.4308),G-X6CrNiMo18.10 (1.4408)