H44H-150Lb,H44H-300Lb,H44H-400Lb,H44H-600Lb美标止回阀 参考价：面议

H42W-16,H42W-25,H42W-40,H42H-16立式止回阀 参考价：面议

H41H-16,H41H-25,H41H-40,H41H-64 止回阀 参考价：面议

DRVZ-10,DRVZ-16,DRVZ-25Q,H42X-10*式止回阀 参考价：面议

H14W-16P-DN15,H14W-16P-DN20,H14W-16P-DN25内螺纹连接止回阀 参考价：面议

H44X-10,H44X-16,SFCV-16,SFCV-10橡胶瓣止回阀 参考价：面议

HH44X,HH44X-10,HH44X-16,HH44X-25微阻缓闭止回阀 参考价：面议

HQ41X-10,HQ41X-16,HQ44X-10,HQ44X-16球形止回阀 参考价：面议

HDH46X-10,HDH46X-16,HDH46H-10,HDH46H-16 蝶式缓冲止回阀 参考价：面议

H76X-10,H76X-16,H76X-25蝶式止回阀 参考价：面议

H71H-16,H71H-25,H71H-40,H71Y-16 对夹式止回阀 参考价：面议

H44H-16,H44H-25,H44H-40,H44H-64 旋启式止回阀 参考价：面议

H76H-10C,H76H-16C,H76H-25,H76H-40对夹双瓣旋启式止回阀 参考价：面议

HY44W-25P,HY44W-16,HY44W-25,HY44W-40氧气止回阀 参考价：面议

HQ44X-10,HQ44X-16微阻球形止回阀 参考价：面议

ZZRN-80,ZZRN-100,ZZRN-125,J14B-25Z-32 止回阀 参考价：面议

DHH44T-10,DHH44H-10,DHH44X-10,DHH44T-16微阻缓闭消声止回阀 参考价：面议

H74W-16P,H74W-25P,H74W-40P,H74H-16P 对夹式止回阀 参考价：面议

H72W-16P,H72W-25P,H72W-40P对夹式止回阀 参考价：面议

H12W-DN15,H12W-DN20,H12W-DN25,H12W-DN32不锈钢止回阀 参考价：面议

H41,H44,H42,H71铸钢法兰升降式止回阀 参考价：面议

H42T*式止回阀.铸铁止回阀 参考价：面议

H61H-800lb,H61Y-800lb,H61Y,H61H锻钢对焊止回阀 参考价：面议

HD7B41X,HD7B41X-DN液控止回阀 参考价：面议

HH47-PN2.5,HH47-PN6,HH47-PN10,HH47-PN25蝶式缓冲止回阀 参考价：面议

300X-DN20,300X-DN25,300X-DN32,300X-DN40缓闭止回阀 参考价：面议

800X-DN20,800X-DN25,800X-DN32,800X-DN40压差旁通平衡阀 参考价：面议