有不锈钢阀体，型号举例：SVPW2145S-□G-04。
2）另有常开型SVPW2136--2196可供选择。
3）另有特殊密封件FPM（氟橡胶）及EPDM（乙烯、丙烯橡胶）可供选择。
SVPW2135-3G-02,Sanwo SVPW2135-4G-02,SVPW2135-3G-03,SVPW2135-4G-03,SVPW2135-5G-03,SVPW2145-3G-04,
SVPW2145-4G-04,SVPW2145-5G-04,SVPW2245-3G-04,SVPW2245-4G-04,SVPW2245-5G-04,SVPW2155-3G-06,
SVPW2155-4G-06,SVPW2155-5G-06,Sanwo SVPW2165-3G-10,SVPW2165-4G-10,SVPW2165-5G-10,SVPW2175-3G-12,
SVPW2175-4G-12,SVPW2175-5G-12,SVPW2185-3G-14,SVPW2185-4