Blow out proof stem/ Full bore Material: Stainless steel 304, 316 Suitable media: water, Oil, gas ... in storage or within 30 daysSpecifications Blow out proof stem/ Full bore Material: Stainless steel 304, 316 Suitable media: water, Oil, gas ... , gas 6. Locking device, Lug body, Blow-out proof stem/full port, Investment casting body and cap