PHB 2026 Vol-1

E-156

●재질 (계속)

DN40, 50에 사용되는 메인 밸브 어셈블리 배열

번호 부품명

재질

13

Pilot valve and seat unit

Stainless steel

14 Internal strainer

Stainless steel

15 Body gasket

Stainless steel reinforced exfoliated graphite

16 Main valve return spring

Stainless steel

17

Main valve

Stainless steel

18 Main valve seat

Stainless steel

20 Main valve body

Cast steel

Securing nuts

Steel

Steel DN15 and DN20

M10 x 25 mm

21 Pilot valve housing

Securing studs

DN25 to DN50

M12 x 30 mm

DN80

M12 x 40 mm

22 Main diaphragm chamber

Cast steel

TI-P004-01 / CTLS Issue 8

Page 4 of 12

SDP143 1차 압력조절밸브 - 주강