I-API 603 Ivalvu yembulunga ekwazi ukumelana nokugqwala
Izici eziyinhloko: Umzimba wakhiwe ngezinto ezivimbela ukubola. Amavalvu afanele amapayipi embonini yamakhemikhali kanye nesikhungo sokuhluza.
Idizayini ejwayelekile:ASME B16.34

Ibanga lomkhiqizo:
1.Ibanga lokucindezela :CLASS 150Lb~600Lb
2. Ububanzi begama: NPS 2~24″
3.Impahla yomzimba:Insimbi engagqwali, ingxubevange ye-nickel
4.Qeda uxhumano: RF RTJ BW
5.Imodi yokusebenza: Isondo lesandla, Ibhokisi leGear, Ugesi, I-Pneumatic, idivayisi ye-hydraulic, idivayisi ye-Pneumatic-hydraulic;

Izici zomkhiqizo:
1.Ukuvula nokuvala ngokushesha;
2.Indawo evalekayo ngaphandle komhuzuko lapho ivula futhi ivala, nempilo ende.
3.I-valve ingaba nezinhlobo ezine ezihlukene ze-disc, ikhoni, i-sphere, indiza kanye ne-parabolic disc.
Ukupakisha okulayishiwe kwe-4.Spring kungakhethwa;
5.Ukupakishwa kokukhipha okuphansi kungakhethwa ngokuvumelana nemfuneko ye-ISO 15848;
6.Stem enwetshiwe design ingakhethwa.