SV10PA1-40B/，SV10PB1-40B/，SV20PA1-40B/，SV20PB1-40B/，SV30PA1-40B/，SV30PB1-40B/，

SV10GA1-40B/，SV10GB1-40B/，SV20GA1-40B/，SV20GB1-40B/，SV30GA1-40B/，SV30GB1-40B/，

SV15GA1-40B/，SV15GB1-40B/，SV25GA1-40B/，SV25GB1-40B/，SV10PA2-40B/，SV10PB2-40B/，

SV20PA2-40B/，SV20PB2-40B/，SV30PA2-40B/，SV30PB2-40B/，SV10GA2-40B/，SV10GB2-40B/，
SL30GB3-40B北京华德液控单向阀***
SV20GA2-40B/，SV20GB2-40B/，SV30GA2-40B/，SV30GB2-40B/，SV15GA2-40B/，SV15GB2-40B/，

SV25GA2-40B/，SV25GB2-40B/，SV10PA3-40B/，SV10PB3-40B/，SV20PA3-40B/，SV20PB3-40B/，

SV30PA3-40B/，SV30PB3-40B/，SV10GA3-40B/，SV10GB3-40B/，SV20GA3-40B/，SV20GB3-40B/，

SV30GA3-40B/，SV30GB3-40B/，SV15GA3-40B/，SV15GB3-40B/，SV25GA3-40B/，SV25GB3-40B/，

SV10PA4-40B/，SV10PB4-40B/，SV20PA4-40B/，SV20PB4-40B/，SV30PA4-40B/，SV30PB4-40B/，

SV10GA4-40B/，SV10GB4-40B/，SV20GA4-40B/，SV20GB4-40B/，SV30GA4-40B/，SV30GB4-40B/，

SV15GA4-40B/，SV15GB4-40B/，SV25GA4-40B/，SV25GB4-40B/，SL10PA1-40B/，SL10PB1-40B/，
北京华德液控单向阀一年

SL20PA1-40B/，SL20PB1-40B/，SL30PA1-40B/，SL30PB1-40B/，SL10GA1-40B/，SL10GB1-40B/，

SL20GA1-40B/，SL20GB1-40B/，SL30GA1-40B/，SL30GB1-40B/，SL15GA1-40B/，SL15GB1-40B/，

SL25GA1-40B/，SL25GB1-40B/，SL10PA2-40B/，SL10PB2-40B/，SL20PA2-40B/，SL20PB2-40B/，

SL30PA2-40B/，SL30PB2-40B/，SL10GA2-40B/，SL10GB2-40B/，SL20GA2-40B/，SL20GB2-40B/，
SL30GB3-40B北京华德液控单向阀***
SL30GA2-40B/，SL30GB2-40B/，SL15GA2-40B/，SL15GB2-40B/，SL25GA2-40B/，SL25GB2-40B/，

SL10PA3-40B/，SL10PB3-40B/，SL20PA3-40B/，SL20PB3-40B/，SL30PA3-40B/，SL30PB3-40B/，

SL10GA3-40B/，SL10GB3-40B/，SL20GA3-40B/，SL20GB3-40B/，SL30GA3-40B/，SL30GB3-40B/，

SL15GA3-40B/，SL15GB3-40B/，SL25GA3-40B/，SL25GB3-40B/，SL10PA4-40B/，SL10PB4-40B/，

SL20PA4-40B/，SL20PB4-40B/，SL30PA4-40B/，SL30PB4-40B/，SL10GA4-40B/，SL10GB4-40B/，

SL20GA4-40B/，SL20GB4-40B/，SL30GA4-40B/，SL30GB4-40B/，SL15GA4-40B/，SL15GB4-40B/，

SL25GA4-40B/，SL25GB4-40B/。