PHB 2026 Vol-1

E-137

● 재질 (계속)

번호 부품명 재질

DN25 ~ DN50 (42번과 46번 부품은 표시되지 않음)

Housing seal 'O' ring

50

EPDM or suffix 'N' Nitrile

51 Vent plug Plastic

Coupling clamp

Zinc plated steel

ASTM A216 Gr. WCB

52

53 Spring Spring steel

BS 5216 Gr. M4

Clamp screw

Zinc plated steel

BS 4168 Gr. 12.9

54

DN15 ~ DN20

TI-P205-01 / CTLS Issue 12

Page 5 of 11

DEP7 1차 압력 조절 밸브 - SG 주철